2502813785 has 4 divisors (see below), whose sum is σ = 3003376548. Its totient is φ = 2002251024.

The previous prime is 2502813769. The next prime is 2502813787. The reversal of 2502813785 is 5873182052.

2502813785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1321104409 + 1181709376 = 36347^2 + 34376^2 .

It is a cyclic number.

It is not a de Polignac number, because 2502813785 - 2⁴ = 2502813769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2502813787) 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, 250281374 + ... + 250281383.

It is an arithmetic number, because the mean of its divisors is an integer number (750844137).

Almost surely, 2^2502813785 is an apocalyptic number.

It is an amenable number.

2502813785 is a deficient number, since it is larger than the sum of its proper divisors (500562763).

2502813785 is an equidigital number, since it uses as much as digits as its factorization.

2502813785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500562762.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 2502813785 is about 50028.1299370664. The cubic root of 2502813785 is about 1357.7178032231.

The spelling of 2502813785 in words is "two billion, five hundred two million, eight hundred thirteen thousand, seven hundred eighty-five".