25716288 has 56 divisors (see below), whose sum is σ = 73282048. Its totient is φ = 7911936.

The previous prime is 25716259. The next prime is 25716293. The reversal of 25716288 is 88261752.

It is a super-2 number, since 2×25716288² = 1322654936997888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 2656 + ... + 7647.

It is an arithmetic number, because the mean of its divisors is an integer number (1308608).

Almost surely, 2^25716288 is an apocalyptic number.

It is an amenable number.

25716288 is an abundant number, since it is smaller than the sum of its proper divisors (47565760).

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

25716288 is a wasteful number, since it uses less digits than its factorization.

25716288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10331 (or 10321 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 25716288 is about 5071.1229525619. The cubic root of 25716288 is about 295.1681048963.

The spelling of 25716288 in words is "twenty-five million, seven hundred sixteen thousand, two hundred eighty-eight".