25394632 has 32 divisors (see below), whose sum is σ = 49076280. Its totient is φ = 12313600.

The previous prime is 25394627. The next prime is 25394647. The reversal of 25394632 is 23649352.

It can be written as a sum of positive squares in 4 ways, for example, as 25260676 + 133956 = 5026^2 + 366^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42528 + ... + 43120.

Almost surely, 2^25394632 is an apocalyptic number.

It is an amenable number.

25394632 is a deficient number, since it is larger than the sum of its proper divisors (23681648).

25394632 is a wasteful number, since it uses less digits than its factorization.

25394632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753 (or 749 counting only the distinct ones).

The product of its digits is 38880, while the sum is 34.

The square root of 25394632 is about 5039.3086827461. The cubic root of 25394632 is about 293.9322965641.

The spelling of 25394632 in words is "twenty-five million, three hundred ninety-four thousand, six hundred thirty-two".