25634063 has 16 divisors (see below), whose sum is σ = 32288256. Its totient is φ = 19807200.

The previous prime is 25634039. The next prime is 25634069. The reversal of 25634063 is 36043652.

It is a de Polignac number, because none of the positive numbers 2^k-25634063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25634069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 638 + ... + 7188.

It is an arithmetic number, because the mean of its divisors is an integer number (2018016).

Almost surely, 2^25634063 is an apocalyptic number.

25634063 is a deficient number, since it is larger than the sum of its proper divisors (6654193).

25634063 is a wasteful number, since it uses less digits than its factorization.

25634063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6614.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 25634063 is about 5063.0092830253. The cubic root of 25634063 is about 294.8531798371.

The spelling of 25634063 in words is "twenty-five million, six hundred thirty-four thousand, sixty-three".