2513500561 has 16 divisors (see below), whose sum is σ = 2976196608. Its totient is φ = 2092608000.

The previous prime is 2513500523. The next prime is 2513500571. The reversal of 2513500561 is 1650053152.

2513500561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2513500561 - 2²⁵ = 2479946129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2513500501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51040 + ... + 87361.

It is an arithmetic number, because the mean of its divisors is an integer number (186012288).

Almost surely, 2^2513500561 is an apocalyptic number.

It is an amenable number.

2513500561 is a deficient number, since it is larger than the sum of its proper divisors (462696047).

2513500561 is a wasteful number, since it uses less digits than its factorization.

2513500561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138552.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 2513500561 is about 50134.8238353343. The cubic root of 2513500561 is about 1359.6475010960.

The spelling of 2513500561 in words is "two billion, five hundred thirteen million, five hundred thousand, five hundred sixty-one".