25288316 has 72 divisors (see below), whose sum is σ = 52955280. Its totient is φ = 10492416.

The previous prime is 25288313. The next prime is 25288331. The reversal of 25288316 is 61388252.

It is a super-2 number, since 2×25288316² = 1278997852231712, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25288313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 683450 + ... + 683486.

It is an arithmetic number, because the mean of its divisors is an integer number (735490).

Almost surely, 2^25288316 is an apocalyptic number.

It is an amenable number.

25288316 is an abundant number, since it is smaller than the sum of its proper divisors (27666964).

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

25288316 is a wasteful number, since it uses less digits than its factorization.

25288316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 98 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 25288316 is about 5028.7489497886. The cubic root of 25288316 is about 293.5215349868.

The spelling of 25288316 in words is "twenty-five million, two hundred eighty-eight thousand, three hundred sixteen".