25757432 has 16 divisors (see below), whose sum is σ = 48351600. Its totient is φ = 12863680.

The previous prime is 25757411. The next prime is 25757437. The reversal of 25757432 is 23475752.

It is a junction number, because it is equal to n+sod(n) for n = 25757392 and 25757401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25757437) 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 3 ways as a sum of consecutive naturals, for example, 9332 + ... + 11772.

It is an arithmetic number, because the mean of its divisors is an integer number (3021975).

Almost surely, 2^25757432 is an apocalyptic number.

It is an amenable number.

25757432 is a deficient number, since it is larger than the sum of its proper divisors (22594168).

25757432 is a wasteful number, since it uses less digits than its factorization.

25757432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766 (or 3762 counting only the distinct ones).

The product of its digits is 58800, while the sum is 35.

The square root of 25757432 is about 5075.1780264341. The cubic root of 25757432 is about 295.3254361251.

The spelling of 25757432 in words is "twenty-five million, seven hundred fifty-seven thousand, four hundred thirty-two".