2512765165 has 4 divisors (see below), whose sum is σ = 3015318204. Its totient is φ = 2010212128.

The previous prime is 2512765097. The next prime is 2512765217. The reversal of 2512765165 is 5615672152.

2512765165 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 745235401 + 1767529764 = 27299^2 + 42042^2 .

It is a cyclic number.

It is not a de Polignac number, because 2512765165 - 2⁷ = 2512765037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251276512 + ... + 251276521.

It is an arithmetic number, because the mean of its divisors is an integer number (753829551).

Almost surely, 2^2512765165 is an apocalyptic number.

It is an amenable number.

2512765165 is a deficient number, since it is larger than the sum of its proper divisors (502553039).

2512765165 is an equidigital number, since it uses as much as digits as its factorization.

2512765165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502553038.

The product of its digits is 126000, while the sum is 40.

The square root of 2512765165 is about 50127.4891152549. The cubic root of 2512765165 is about 1359.5148869934.

The spelling of 2512765165 in words is "two billion, five hundred twelve million, seven hundred sixty-five thousand, one hundred sixty-five".