2315266521 has 8 divisors (see below), whose sum is σ = 3087393504. Its totient is φ = 1543325280.

The previous prime is 2315266487. The next prime is 2315266537. The reversal of 2315266521 is 1256625132.

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

It is not a de Polignac number, because 2315266521 - 2¹⁰ = 2315265497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2315264521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14140 + ... + 69501.

It is an arithmetic number, because the mean of its divisors is an integer number (385924188).

Almost surely, 2^2315266521 is an apocalyptic number.

It is an amenable number.

2315266521 is a deficient number, since it is larger than the sum of its proper divisors (772126983).

2315266521 is an equidigital number, since it uses as much as digits as its factorization.

2315266521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92871.

The product of its digits is 21600, while the sum is 33.

The square root of 2315266521 is about 48117.2164718617. The cubic root of 2315266521 is about 1322.9202490421.

The spelling of 2315266521 in words is "two billion, three hundred fifteen million, two hundred sixty-six thousand, five hundred twenty-one".