25630867 has 16 divisors (see below), whose sum is σ = 28173600. Its totient is φ = 23224320.

The previous prime is 25630859. The next prime is 25630873. The reversal of 25630867 is 76803652.

It is a cyclic number.

It is not a de Polignac number, because 25630867 - 2³ = 25630859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25630807) 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, 99603 + ... + 99859.

It is an arithmetic number, because the mean of its divisors is an integer number (1760850).

Almost surely, 2^25630867 is an apocalyptic number.

25630867 is a deficient number, since it is larger than the sum of its proper divisors (2542733).

25630867 is a wasteful number, since it uses less digits than its factorization.

25630867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 25630867 is about 5062.6936506172. The cubic root of 25630867 is about 294.8409254404.

The spelling of 25630867 in words is "twenty-five million, six hundred thirty thousand, eight hundred sixty-seven".