15275485 has 4 divisors (see below), whose sum is σ = 18330588. Its totient is φ = 12220384.

The previous prime is 15275471. The next prime is 15275497. The reversal of 15275485 is 58457251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58457251 = 53 ⋅1102967.

It can be written as a sum of positive squares in 2 ways, for example, as 10903204 + 4372281 = 3302^2 + 2091^2 .

It is a cyclic number.

It is not a de Polignac number, because 15275485 - 2⁷ = 15275357 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, 1527544 + ... + 1527553.

It is an arithmetic number, because the mean of its divisors is an integer number (4582647).

Almost surely, 2^15275485 is an apocalyptic number.

It is an amenable number.

15275485 is a deficient number, since it is larger than the sum of its proper divisors (3055103).

15275485 is an equidigital number, since it uses as much as digits as its factorization.

15275485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055102.

The product of its digits is 56000, while the sum is 37.

The square root of 15275485 is about 3908.3864957294. The cubic root of 15275485 is about 248.1218454763.

The spelling of 15275485 in words is "fifteen million, two hundred seventy-five thousand, four hundred eighty-five".