25616532 has 24 divisors (see below), whose sum is σ = 59875200. Its totient is φ = 8524096.

The previous prime is 25616531. The next prime is 25616533. The reversal of 25616532 is 23561652.

It is an interprime number because it is at equal distance from previous prime (25616531) and next prime (25616533).

It is a self number, because there is not a number n which added to its sum of digits gives 25616532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25616531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7144 + ... + 10112.

It is an arithmetic number, because the mean of its divisors is an integer number (2494800).

Almost surely, 2^25616532 is an apocalyptic number.

It is an amenable number.

25616532 is an abundant number, since it is smaller than the sum of its proper divisors (34258668).

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

25616532 is a wasteful number, since it uses less digits than its factorization.

25616532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3695 (or 3693 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 25616532 is about 5061.2777042956. The cubic root of 25616532 is about 294.7859483320.

The spelling of 25616532 in words is "twenty-five million, six hundred sixteen thousand, five hundred thirty-two".