15055265 has 4 divisors (see below), whose sum is σ = 18066324. Its totient is φ = 12044208.

The previous prime is 15055259. The next prime is 15055291. The reversal of 15055265 is 56255051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6806881 + 8248384 = 2609^2 + 2872^2 .

It is a cyclic number.

It is not a de Polignac number, because 15055265 - 2²² = 10860961 is a prime.

It is a super-2 number, since 2×15055265² = 453322008440450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1505522 + ... + 1505531.

It is an arithmetic number, because the mean of its divisors is an integer number (4516581).

Almost surely, 2^15055265 is an apocalyptic number.

It is an amenable number.

15055265 is a deficient number, since it is larger than the sum of its proper divisors (3011059).

15055265 is an equidigital number, since it uses as much as digits as its factorization.

15055265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3011058.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 15055265 is about 3880.1114674710. Note that the first 3 decimals coincide. The cubic root of 15055265 is about 246.9237144695.

The spelling of 15055265 in words is "fifteen million, fifty-five thousand, two hundred sixty-five".