25245792 has 144 divisors (see below), whose sum is σ = 84481488. Its totient is φ = 7050240.

The previous prime is 25245767. The next prime is 25245797. The reversal of 25245792 is 29754252.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25245797) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40878 + ... + 41490.

It is an arithmetic number, because the mean of its divisors is an integer number (586677).

Almost surely, 2^25245792 is an apocalyptic number.

25245792 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25245792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42240744).

25245792 is an abundant number, since it is smaller than the sum of its proper divisors (59235696).

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

25245792 is a wasteful number, since it uses less digits than its factorization.

25245792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 642 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 25245792 is about 5024.5190814644. The cubic root of 25245792 is about 293.3569172957.

The spelling of 25245792 in words is "twenty-five million, two hundred forty-five thousand, seven hundred ninety-two".