2316561 has 8 divisors (see below), whose sum is σ = 3326400. Its totient is φ = 1425552.

The previous prime is 2316557. The next prime is 2316571. The reversal of 2316561 is 1656132.

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

It is not a de Polignac number, because 2316561 - 2² = 2316557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2316511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29661 + ... + 29738.

It is an arithmetic number, because the mean of its divisors is an integer number (415800).

2^2316561 is an apocalyptic number.

It is an amenable number.

2316561 is a deficient number, since it is larger than the sum of its proper divisors (1009839).

2316561 is a wasteful number, since it uses less digits than its factorization.

2316561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59415.

The product of its digits is 1080, while the sum is 24.

The square root of 2316561 is about 1522.0252954534. The cubic root of 2316561 is about 132.3166753913.

The spelling of 2316561 in words is "two million, three hundred sixteen thousand, five hundred sixty-one".