15379369 has 2 divisors, whose sum is σ = 15379370. Its totient is φ = 15379368.

The previous prime is 15379361. The next prime is 15379391. The reversal of 15379369 is 96397351.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15303744 + 75625 = 3912^2 + 275^2 .

It is an emirp because it is prime and its reverse (96397351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15379369 - 2³ = 15379361 is a prime.

It is a super-2 number, since 2×15379369² = 473049981676322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15379361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7689684 + 7689685.

It is an arithmetic number, because the mean of its divisors is an integer number (7689685).

Almost surely, 2^15379369 is an apocalyptic number.

It is an amenable number.

15379369 is a deficient number, since it is larger than the sum of its proper divisors (1).

15379369 is an equidigital number, since it uses as much as digits as its factorization.

15379369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 153090, while the sum is 43.

The square root of 15379369 is about 3921.6538602992. The cubic root of 15379369 is about 248.6830426755.

The spelling of 15379369 in words is "fifteen million, three hundred seventy-nine thousand, three hundred sixty-nine".