2313651 has 4 divisors (see below), whose sum is σ = 3084872. Its totient is φ = 1542432.

The previous prime is 2313643. The next prime is 2313653. The reversal of 2313651 is 1563132.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2313651 - 2³ = 2313643 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2313653) 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, 385606 + ... + 385611.

It is an arithmetic number, because the mean of its divisors is an integer number (771218).

2^2313651 is an apocalyptic number.

2313651 is a deficient number, since it is larger than the sum of its proper divisors (771221).

2313651 is an equidigital number, since it uses as much as digits as its factorization.

2313651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771220.

The product of its digits is 540, while the sum is 21.

The square root of 2313651 is about 1521.0690319640. The cubic root of 2313651 is about 132.2612479906.

Adding to 2313651 its reverse (1563132), we get a palindrome (3876783).

The spelling of 2313651 in words is "two million, three hundred thirteen thousand, six hundred fifty-one".