25563282 has 16 divisors (see below), whose sum is σ = 52776192. Its totient is φ = 8246160.

The previous prime is 25563277. The next prime is 25563299. The reversal of 25563282 is 28236552.

It is a super-2 number, since 2×25563282² = 1306962773223048, which contains 22 as substring.

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, 68533 + ... + 68904.

It is an arithmetic number, because the mean of its divisors is an integer number (3298512).

Almost surely, 2^25563282 is an apocalyptic number.

25563282 is an abundant number, since it is smaller than the sum of its proper divisors (27212910).

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

25563282 is a wasteful number, since it uses less digits than its factorization.

25563282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137473.

The product of its digits is 28800, while the sum is 33.

The square root of 25563282 is about 5056.0144382705. The cubic root of 25563282 is about 294.5815459405.

The spelling of 25563282 in words is "twenty-five million, five hundred sixty-three thousand, two hundred eighty-two".