2523516265 has 4 divisors (see below), whose sum is σ = 3028219524. Its totient is φ = 2018813008.

The previous prime is 2523516253. The next prime is 2523516311. The reversal of 2523516265 is 5626153252.

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 1277991001 + 1245525264 = 35749^2 + 35292^2 .

It is a cyclic number.

It is not a de Polignac number, because 2523516265 - 2¹³ = 2523508073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252351622 + ... + 252351631.

It is an arithmetic number, because the mean of its divisors is an integer number (757054881).

Almost surely, 2^2523516265 is an apocalyptic number.

It is an amenable number.

2523516265 is a deficient number, since it is larger than the sum of its proper divisors (504703259).

2523516265 is an equidigital number, since it uses as much as digits as its factorization.

2523516265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504703258.

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

The square root of 2523516265 is about 50234.6122210573. The cubic root of 2523516265 is about 1361.4510652998.

The spelling of 2523516265 in words is "two billion, five hundred twenty-three million, five hundred sixteen thousand, two hundred sixty-five".