25161282 has 24 divisors (see below), whose sum is σ = 57386160. Its totient is φ = 7945560.

The previous prime is 25161251. The next prime is 25161307. The reversal of 25161282 is 28216152.

It is a happy number.

It is a super-2 number, since 2×25161282² = 1266180223767048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36444 + ... + 37127.

It is an arithmetic number, because the mean of its divisors is an integer number (2391090).

Almost surely, 2^25161282 is an apocalyptic number.

25161282 is an abundant number, since it is smaller than the sum of its proper divisors (32224878).

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

25161282 is a wasteful number, since it uses less digits than its factorization.

25161282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73598 (or 73595 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 25161282 is about 5016.1022716847. The cubic root of 25161282 is about 293.0292150549.

The spelling of 25161282 in words is "twenty-five million, one hundred sixty-one thousand, two hundred eighty-two".