2315951 has 8 divisors (see below), whose sum is σ = 2543184. Its totient is φ = 2091520.

The previous prime is 2315947. The next prime is 2315953. The reversal of 2315951 is 1595132.

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

It is a cyclic number.

It is not a de Polignac number, because 2315951 - 2² = 2315947 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 2315951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295 + ... + 2511.

It is an arithmetic number, because the mean of its divisors is an integer number (317898).

2^2315951 is an apocalyptic number.

2315951 is a deficient number, since it is larger than the sum of its proper divisors (227233).

2315951 is a wasteful number, since it uses less digits than its factorization.

2315951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401.

The product of its digits is 1350, while the sum is 26.

The square root of 2315951 is about 1521.8248913722. The cubic root of 2315951 is about 132.3050604360.

The spelling of 2315951 in words is "two million, three hundred fifteen thousand, nine hundred fifty-one".