25155130 has 96 divisors (see below), whose sum is σ = 62052480. Its totient is φ = 7217280.

The previous prime is 25155113. The next prime is 25155149. The reversal of 25155130 is 3155152.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69891 + ... + 70249.

It is an arithmetic number, because the mean of its divisors is an integer number (646380).

Almost surely, 2^25155130 is an apocalyptic number.

25155130 is an abundant number, since it is smaller than the sum of its proper divisors (36897350).

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

25155130 is a wasteful number, since it uses less digits than its factorization.

25155130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 25155130 is about 5015.4890090598. The cubic root of 25155130 is about 293.0053309688.

Adding to 25155130 its sum of digits (22), we get a palindrome (25155152).

The spelling of 25155130 in words is "twenty-five million, one hundred fifty-five thousand, one hundred thirty".