25303488 has 112 divisors (see below), whose sum is σ = 77931264. Its totient is φ = 7096320.

The previous prime is 25303483. The next prime is 25303511. The reversal of 25303488 is 88430352.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×25303488² = 1280533009932288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25303483) 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, 89908 + ... + 90188.

Almost surely, 2^25303488 is an apocalyptic number.

25303488 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 25303488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38965632).

25303488 is an abundant number, since it is smaller than the sum of its proper divisors (52627776).

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

25303488 is a wasteful number, since it uses less digits than its factorization.

25303488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 25303488 is about 5030.2572498830. The cubic root of 25303488 is about 293.5802237296.

The spelling of 25303488 in words is "twenty-five million, three hundred three thousand, four hundred eighty-eight".