25148320 has 24 divisors (see below), whose sum is σ = 59413284. Its totient is φ = 10059264.

The previous prime is 25148311. The next prime is 25148327. The reversal of 25148320 is 2384152.

It can be written as a sum of positive squares in 2 ways, for example, as 23309584 + 1838736 = 4828^2 + 1356^2 .

It is not an unprimeable number, because it can be changed into a prime (25148327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78429 + ... + 78748.

Almost surely, 2^25148320 is an apocalyptic number.

25148320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25148320 is an abundant number, since it is smaller than the sum of its proper divisors (34264964).

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

25148320 is a wasteful number, since it uses less digits than its factorization.

25148320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157192 (or 157184 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 25148320 is about 5014.8100661939. The cubic root of 25148320 is about 292.9788877689.

The spelling of 25148320 in words is "twenty-five million, one hundred forty-eight thousand, three hundred twenty".