15379375 has 20 divisors (see below), whose sum is σ = 20974536. Its totient is φ = 11180000.

The previous prime is 15379369. The next prime is 15379391. The reversal of 15379375 is 57397351.

It is not a de Polignac number, because 15379375 - 2¹⁵ = 15346607 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5757 + ... + 7993.

Almost surely, 2^15379375 is an apocalyptic number.

15379375 is a deficient number, since it is larger than the sum of its proper divisors (5595161).

15379375 is an equidigital number, since it uses as much as digits as its factorization.

15379375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268 (or 2253 counting only the distinct ones).

The product of its digits is 99225, while the sum is 40.

The square root of 15379375 is about 3921.6546252825. The cubic root of 15379375 is about 248.6830750153.

The spelling of 15379375 in words is "fifteen million, three hundred seventy-nine thousand, three hundred seventy-five".