25616952 has 64 divisors (see below), whose sum is σ = 71604000. Its totient is φ = 8485632.

The previous prime is 25616951. The next prime is 25616953. The reversal of 25616952 is 25961652.

25616952 is a `hidden beast` number, since 2 + 561 + 6 + 95 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (25616951) and next prime (25616953).

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 (25616951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50074 + ... + 50582.

Almost surely, 2^25616952 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 25616952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35802000).

25616952 is an abundant number, since it is smaller than the sum of its proper divisors (45987048).

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

25616952 is a wasteful number, since it uses less digits than its factorization.

25616952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757 (or 747 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 25616952 is about 5061.3191956248. The cubic root of 25616952 is about 294.7875593934.

The spelling of 25616952 in words is "twenty-five million, six hundred sixteen thousand, nine hundred fifty-two".