25264634 has 4 divisors (see below), whose sum is σ = 37896954. Its totient is φ = 12632316.

The previous prime is 25264627. The next prime is 25264663. The reversal of 25264634 is 43646252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14799409 + 10465225 = 3847^2 + 3235^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25264634.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6316157 + ... + 6316160.

Almost surely, 2^25264634 is an apocalyptic number.

25264634 is a deficient number, since it is larger than the sum of its proper divisors (12632320).

25264634 is a wasteful number, since it uses less digits than its factorization.

25264634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12632319.

The product of its digits is 34560, while the sum is 32.

The square root of 25264634 is about 5026.3937370644. The cubic root of 25264634 is about 293.4298806961.

The spelling of 25264634 in words is "twenty-five million, two hundred sixty-four thousand, six hundred thirty-four".