25288368 has 80 divisors (see below), whose sum is σ = 75757056. Its totient is φ = 7119360.

The previous prime is 25288363. The next prime is 25288369. The reversal of 25288368 is 86388252.

It is a super-2 number, since 2×25288368² = 1279003112206848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (25288363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24013 + ... + 25043.

Almost surely, 2^25288368 is an apocalyptic number.

25288368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25288368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37878528).

25288368 is an abundant number, since it is smaller than the sum of its proper divisors (50468688).

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

25288368 is a wasteful number, since it uses less digits than its factorization.

25288368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122 (or 1116 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 25288368 is about 5028.7541200580. The cubic root of 25288368 is about 293.5217361747.

The spelling of 25288368 in words is "twenty-five million, two hundred eighty-eight thousand, three hundred sixty-eight".