2501513809 has 8 divisors (see below), whose sum is σ = 2541434720. Its totient is φ = 2461669056.

The previous prime is 2501513743. The next prime is 2501513827. The reversal of 2501513809 is 9083151052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2501513809 - 2¹⁵ = 2501481041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2501543809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49102 + ... + 86104.

It is an arithmetic number, because the mean of its divisors is an integer number (317679340).

Almost surely, 2^2501513809 is an apocalyptic number.

It is an amenable number.

2501513809 is a deficient number, since it is larger than the sum of its proper divisors (39920911).

2501513809 is a wasteful number, since it uses less digits than its factorization.

2501513809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38079.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 2501513809 is about 50015.1357990759. The cubic root of 2501513809 is about 1357.4826936781.

The spelling of 2501513809 in words is "two billion, five hundred one million, five hundred thirteen thousand, eight hundred nine".