15216485 has 16 divisors (see below), whose sum is σ = 18925056. Its totient is φ = 11737728.

The previous prime is 15216463. The next prime is 15216493. The reversal of 15216485 is 58461251.

It is a cyclic number.

It is not a de Polignac number, because 15216485 - 2¹⁰ = 15215461 is a prime.

It is a Duffinian number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 16712 + ... + 17598.

It is an arithmetic number, because the mean of its divisors is an integer number (1182816).

Almost surely, 2^15216485 is an apocalyptic number.

It is an amenable number.

15216485 is a deficient number, since it is larger than the sum of its proper divisors (3708571).

15216485 is an equidigital number, since it uses as much as digits as its factorization.

15216485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012.

The product of its digits is 9600, while the sum is 32.

The square root of 15216485 is about 3900.8313216544. The cubic root of 15216485 is about 247.8019848874.

The spelling of 15216485 in words is "fifteen million, two hundred sixteen thousand, four hundred eighty-five".