2015530 has 32 divisors (see below), whose sum is σ = 4027968. Its totient is φ = 720000.

The previous prime is 2015509. The next prime is 2015543. The reversal of 2015530 is 355102.

It is a super-2 number, since 2×2015530² = 8124722361800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7905 + ... + 8155.

It is an arithmetic number, because the mean of its divisors is an integer number (125874).

2^2015530 is an apocalyptic number.

2015530 is a deficient number, since it is larger than the sum of its proper divisors (2012438).

2015530 is a wasteful number, since it uses less digits than its factorization.

2015530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 2015530 is about 1419.6936289214. The cubic root of 2015530 is about 126.3173740968.

The spelling of 2015530 in words is "two million, fifteen thousand, five hundred thirty".