2313257 has 4 divisors (see below), whose sum is σ = 2322516. Its totient is φ = 2304000.

The previous prime is 2313253. The next prime is 2313323. The reversal of 2313257 is 7523132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1510441 + 802816 = 1229^2 + 896^2 .

It is a cyclic number.

It is not a de Polignac number, because 2313257 - 2² = 2313253 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 3 + 1 + 3⁸ + 2²¹ + 5⁷ + 7³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2313253) 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, 4244 + ... + 4757.

It is an arithmetic number, because the mean of its divisors is an integer number (580629).

2^2313257 is an apocalyptic number.

It is an amenable number.

2313257 is a deficient number, since it is larger than the sum of its proper divisors (9259).

2313257 is an equidigital number, since it uses as much as digits as its factorization.

2313257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9258.

The product of its digits is 1260, while the sum is 23.

The square root of 2313257 is about 1520.9395122752. The cubic root of 2313257 is about 132.2537398156.

Adding to 2313257 its reverse (7523132), we get a palindrome (9836389).

It can be divided in two parts, 2313 and 257, that multiplied together give a square (594441 = 771²).

The spelling of 2313257 in words is "two million, three hundred thirteen thousand, two hundred fifty-seven".