15252985 has 32 divisors (see below), whose sum is σ = 21098880. Its totient is φ = 10483200.

The previous prime is 15252973. The next prime is 15253009. The reversal of 15252985 is 58925251.

It is not a de Polignac number, because 15252985 - 2¹⁹ = 14728697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116370 + ... + 116500.

It is an arithmetic number, because the mean of its divisors is an integer number (659340).

Almost surely, 2^15252985 is an apocalyptic number.

It is an amenable number.

15252985 is a deficient number, since it is larger than the sum of its proper divisors (5845895).

15252985 is a wasteful number, since it uses less digits than its factorization.

15252985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249.

The product of its digits is 36000, while the sum is 37.

The square root of 15252985 is about 3905.5070093395. The cubic root of 15252985 is about 247.9999620621. Note that the first 4 decimals are identical.

The spelling of 15252985 in words is "fifteen million, two hundred fifty-two thousand, nine hundred eighty-five".