25332140 has 24 divisors (see below), whose sum is σ = 53874240. Its totient is φ = 10003968.

The previous prime is 25332133. The next prime is 25332221. The reversal of 25332140 is 4123352.

25332140 = T₇₆₁ + T₇₆₂ + ... + T₈₃₉.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6437 + ... + 9596.

It is an arithmetic number, because the mean of its divisors is an integer number (2244760).

Almost surely, 2^25332140 is an apocalyptic number.

25332140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25332140 is an abundant number, since it is smaller than the sum of its proper divisors (28542100).

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

25332140 is a wasteful number, since it uses less digits than its factorization.

25332140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16121 (or 16119 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 25332140 is about 5033.1044098051. The cubic root of 25332140 is about 293.6909922217.

Adding to 25332140 its reverse (4123352), we get a palindrome (29455492).

The spelling of 25332140 in words is "twenty-five million, three hundred thirty-two thousand, one hundred forty".