2015465215 has 4 divisors (see below), whose sum is σ = 2418558264. Its totient is φ = 1612372168.

The previous prime is 2015465203. The next prime is 2015465237. The reversal of 2015465215 is 5125645102.

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

It is a cyclic number.

It is not a de Polignac number, because 2015465215 - 2¹⁷ = 2015334143 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 201546517 + ... + 201546526.

It is an arithmetic number, because the mean of its divisors is an integer number (604639566).

Almost surely, 2^2015465215 is an apocalyptic number.

2015465215 is a deficient number, since it is larger than the sum of its proper divisors (403093049).

2015465215 is an equidigital number, since it uses as much as digits as its factorization.

2015465215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403093048.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 2015465215 is about 44893.9329419912. The cubic root of 2015465215 is about 1263.1602067966.

The spelling of 2015465215 in words is "two billion, fifteen million, four hundred sixty-five thousand, two hundred fifteen".