25828536 has 32 divisors (see below), whose sum is σ = 64809360. Its totient is φ = 8577792.

The previous prime is 25828513. The next prime is 25828577. The reversal of 25828536 is 63582852.

It is a super-2 number, since 2×25828536² = 1334226543806592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25828494 and 25828503.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 5196 + ... + 8868.

Almost surely, 2^25828536 is an apocalyptic number.

It is an amenable number.

25828536 is an abundant number, since it is smaller than the sum of its proper divisors (38980824).

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

25828536 is a wasteful number, since it uses less digits than its factorization.

25828536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3975 (or 3971 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 25828536 is about 5082.1782731423. The cubic root of 25828536 is about 295.5969373991.

The spelling of 25828536 in words is "twenty-five million, eight hundred twenty-eight thousand, five hundred thirty-six".