2313657 has 8 divisors (see below), whose sum is σ = 3427680. Its totient is φ = 1542420.

The previous prime is 2313653. The next prime is 2313659. The reversal of 2313657 is 7563132.

It is a happy number.

2313657 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 657 = 666.

It is not a de Polignac number, because 2313657 - 2² = 2313653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 85691 = 2313657 / (2 + 3 + 1 + 3 + 6 + 5 + 7).

2313657 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2313657.

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 7 ways as a sum of consecutive naturals, for example, 42819 + ... + 42872.

It is an arithmetic number, because the mean of its divisors is an integer number (428460).

2^2313657 is an apocalyptic number.

2313657 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2313657 is a deficient number, since it is larger than the sum of its proper divisors (1114023).

2313657 is an equidigital number, since it uses as much as digits as its factorization.

2313657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85700 (or 85694 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 2313657 is about 1521.0710042598. The cubic root of 2313657 is about 132.2613623217.

Adding to 2313657 its reverse (7563132), we get a palindrome (9876789).

The spelling of 2313657 in words is "two million, three hundred thirteen thousand, six hundred fifty-seven".