2015245013 has 4 divisors (see below), whose sum is σ = 2121310560. Its totient is φ = 1909179468.

The previous prime is 2015244989. The next prime is 2015245033. The reversal of 2015245013 is 3105425102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2015245013 - 2⁸ = 2015244757 is a prime.

It is a super-2 number, since 2×2015245013² = 8122424924842740338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2015245013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015245033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53032745 + ... + 53032782.

It is an arithmetic number, because the mean of its divisors is an integer number (530327640).

Almost surely, 2^2015245013 is an apocalyptic number.

It is an amenable number.

2015245013 is a deficient number, since it is larger than the sum of its proper divisors (106065547).

2015245013 is a wasteful number, since it uses less digits than its factorization.

2015245013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106065546.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2015245013 is about 44891.4804055291. The cubic root of 2015245013 is about 1263.1142024412.

The spelling of 2015245013 in words is "two billion, fifteen million, two hundred forty-five thousand, thirteen".