2512651265 has 8 divisors (see below), whose sum is σ = 3016557288. Its totient is φ = 2009203840.

The previous prime is 2512651247. The next prime is 2512651303. The reversal of 2512651265 is 5621562152.

It can be written as a sum of positive squares in 4 ways, for example, as 556535281 + 1956115984 = 23591^2 + 44228^2 .

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

It is not a de Polignac number, because 2512651265 - 2¹⁰ = 2512650241 is a prime.

It is a super-2 number, since 2×2512651265² = 12626832759012200450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102476 + ... + 124605.

It is an arithmetic number, because the mean of its divisors is an integer number (377069661).

Almost surely, 2^2512651265 is an apocalyptic number.

It is an amenable number.

2512651265 is a deficient number, since it is larger than the sum of its proper divisors (503906023).

2512651265 is a wasteful number, since it uses less digits than its factorization.

2512651265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229299.

The product of its digits is 36000, while the sum is 35.

The square root of 2512651265 is about 50126.3529991959. The cubic root of 2512651265 is about 1359.4943450704.

The spelling of 2512651265 in words is "two billion, five hundred twelve million, six hundred fifty-one thousand, two hundred sixty-five".