25634016 has 48 divisors (see below), whose sum is σ = 74768400. Its totient is φ = 8544384.

The previous prime is 25633997. The next prime is 25634017. The reversal of 25634016 is 61043652.

25634016 is a `hidden beast` number, since 25 + 634 + 0 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25634017) 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, 13971 + ... + 15698.

It is an arithmetic number, because the mean of its divisors is an integer number (1557675).

Almost surely, 2^25634016 is an apocalyptic number.

It is an amenable number.

25634016 is an abundant number, since it is smaller than the sum of its proper divisors (49134384).

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

25634016 is a wasteful number, since it uses less digits than its factorization.

25634016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29688 (or 29674 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 25634016 is about 5063.0046415148. The cubic root of 25634016 is about 294.8529996327.

Adding to 25634016 its reverse (61043652), we get a palindrome (86677668).

The spelling of 25634016 in words is "twenty-five million, six hundred thirty-four thousand, sixteen".