2315761 has 4 divisors (see below), whose sum is σ = 2646592. Its totient is φ = 1984932.

The previous prime is 2315759. The next prime is 2315771. The reversal of 2315761 is 1675132.

2315761 = 214² + 215² + ... + 255².

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2315761 - 2¹ = 2315759 is a prime.

It is a super-3 number, since 3×2315761³ = 37256535024333168243, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2315771) 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, 165405 + ... + 165418.

It is an arithmetic number, because the mean of its divisors is an integer number (661648).

2^2315761 is an apocalyptic number.

It is an amenable number.

2315761 is a deficient number, since it is larger than the sum of its proper divisors (330831).

2315761 is an equidigital number, since it uses as much as digits as its factorization.

2315761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330830.

The product of its digits is 1260, while the sum is 25.

The square root of 2315761 is about 1521.7624650385. The cubic root of 2315761 is about 132.3014422465.

The spelling of 2315761 in words is "two million, three hundred fifteen thousand, seven hundred sixty-one".