25863432 has 32 divisors (see below), whose sum is σ = 73896000. Its totient is φ = 7389504.

The previous prime is 25863421. The next prime is 25863449. The reversal of 25863432 is 23436852.

It is a happy number.

It is a super-2 number, since 2×25863432² = 1337834229637248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25863393 and 25863402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76807 + ... + 77142.

It is an arithmetic number, because the mean of its divisors is an integer number (2309250).

Almost surely, 2^25863432 is an apocalyptic number.

It is an amenable number.

25863432 is an abundant number, since it is smaller than the sum of its proper divisors (48032568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25863432 is a wasteful number, since it uses less digits than its factorization.

25863432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153965 (or 153961 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 25863432 is about 5085.6102878612. The cubic root of 25863432 is about 295.7300009318.

The spelling of 25863432 in words is "twenty-five million, eight hundred sixty-three thousand, four hundred thirty-two".