15131255 has 16 divisors (see below), whose sum is σ = 19208448. Its totient is φ = 11424000.

The previous prime is 15131231. The next prime is 15131273. The reversal of 15131255 is 55213151.

It is a happy number.

It is not a de Polignac number, because 15131255 - 2¹⁸ = 14869111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15131255.

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, 5165 + ... + 7545.

It is an arithmetic number, because the mean of its divisors is an integer number (1200528).

Almost surely, 2^15131255 is an apocalyptic number.

15131255 is a deficient number, since it is larger than the sum of its proper divisors (4077193).

15131255 is a wasteful number, since it uses less digits than its factorization.

15131255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458.

The product of its digits is 750, while the sum is 23.

The square root of 15131255 is about 3889.8913866585. The cubic root of 15131255 is about 247.3384586783.

The spelling of 15131255 in words is "fifteen million, one hundred thirty-one thousand, two hundred fifty-five".