15085255 has 4 divisors (see below), whose sum is σ = 18102312. Its totient is φ = 12068200.

The previous prime is 15085247. The next prime is 15085267. The reversal of 15085255 is 55258051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55258051 = 79 ⋅699469.

It is not a de Polignac number, because 15085255 - 2³ = 15085247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1508521 + ... + 1508530.

It is an arithmetic number, because the mean of its divisors is an integer number (4525578).

Almost surely, 2^15085255 is an apocalyptic number.

15085255 is a deficient number, since it is larger than the sum of its proper divisors (3017057).

15085255 is an equidigital number, since it uses as much as digits as its factorization.

15085255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3017056.

The product of its (nonzero) digits is 10000, while the sum is 31.

The square root of 15085255 is about 3883.9741245276. The cubic root of 15085255 is about 247.0875625887.

The spelling of 15085255 in words is "fifteen million, eighty-five thousand, two hundred fifty-five".