15040979 has 2 divisors, whose sum is σ = 15040980. Its totient is φ = 15040978.

The previous prime is 15040943. The next prime is 15040999. The reversal of 15040979 is 97904051.

15040979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15040979 - 2²⁰ = 13992403 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15040939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7520489 + 7520490.

It is an arithmetic number, because the mean of its divisors is an integer number (7520490).

Almost surely, 2^15040979 is an apocalyptic number.

15040979 is a deficient number, since it is larger than the sum of its proper divisors (1).

15040979 is an equidigital number, since it uses as much as digits as its factorization.

15040979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 15040979 is about 3878.2701040541. The cubic root of 15040979 is about 246.8455874589.

The spelling of 15040979 in words is "fifteen million, forty thousand, nine hundred seventy-nine".