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25092 = 22321741

25092 has 36 divisors (see below), whose sum is σ = 68796. Its totient is φ = 7680.

The previous prime is 25087. The next prime is 25097. The reversal of 25092 is 29052.

It is an interprime number because it is at equal distance from previous prime (25087) and next prime (25097).

It can be written as a sum of positive squares in 2 ways, for example, as 9216 + 15876 = 96^2 + 126^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between even and odd.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 25092.

It is not an unprimeable number, because it can be changed into a prime (25097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 592 + ... + 632.

It is an arithmetic number, because the mean of its divisors is an integer number (1911).

225092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34398).

25092 is an abundant number, since it is smaller than the sum of its proper divisors (43704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25092 is a wasteful number, since it uses less digits than its factorization.

25092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 25092 is about 158.4045453893. The cubic root of 25092 is about 29.2760014248.

The spelling of 25092 in words is "twenty-five thousand, ninety-two".