25437532 has 6 divisors (see below), whose sum is σ = 44515688. Its totient is φ = 12718764.

The previous prime is 25437521. The next prime is 25437539. The reversal of 25437532 is 23573452.

It is a junction number, because it is equal to n+sod(n) for n = 25437494 and 25437503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25437539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3179688 + ... + 3179695.

Almost surely, 2^25437532 is an apocalyptic number.

It is an amenable number.

25437532 is a deficient number, since it is larger than the sum of its proper divisors (19078156).

25437532 is a wasteful number, since it uses less digits than its factorization.

25437532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6359387 (or 6359385 counting only the distinct ones).

The product of its digits is 25200, while the sum is 31.

The square root of 25437532 is about 5043.5634228192. The cubic root of 25437532 is about 294.0977199958.

The spelling of 25437532 in words is "twenty-five million, four hundred thirty-seven thousand, five hundred thirty-two".