2513660545 has 32 divisors (see below), whose sum is σ = 3507753600. Its totient is φ = 1708938240.

The previous prime is 2513660531. The next prime is 2513660549. The reversal of 2513660545 is 5450663152.

It is not a de Polignac number, because 2513660545 - 2⁹ = 2513660033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2513660549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130294 + ... + 148336.

It is an arithmetic number, because the mean of its divisors is an integer number (109617300).

Almost surely, 2^2513660545 is an apocalyptic number.

It is an amenable number.

2513660545 is a deficient number, since it is larger than the sum of its proper divisors (994093055).

2513660545 is a wasteful number, since it uses less digits than its factorization.

2513660545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18225.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 2513660545 is about 50136.4193476160. The cubic root of 2513660545 is about 1359.6763476158.

The spelling of 2513660545 in words is "two billion, five hundred thirteen million, six hundred sixty thousand, five hundred forty-five".