15255250 has 32 divisors (see below), whose sum is σ = 28828800. Its totient is φ = 6044400.

The previous prime is 15255197. The next prime is 15255269. The reversal of 15255250 is 5255251.

It is a happy number.

15255250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34531 + ... + 34969.

It is an arithmetic number, because the mean of its divisors is an integer number (900900).

Almost surely, 2^15255250 is an apocalyptic number.

15255250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15255250 is a deficient number, since it is larger than the sum of its proper divisors (13573550).

15255250 is a wasteful number, since it uses less digits than its factorization.

15255250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 15255250 is about 3905.7969737302. The cubic root of 15255250 is about 248.0122370826.

Subtracting from 15255250 its reverse (5255251), we obtain a palindrome (9999999).

The spelling of 15255250 in words is "fifteen million, two hundred fifty-five thousand, two hundred fifty".