2313521 has 8 divisors (see below), whose sum is σ = 2654400. Its totient is φ = 1975248.

The previous prime is 2313511. The next prime is 2313539. The reversal of 2313521 is 1253132.

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 2313521 - 2¹⁴ = 2297137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2313521.

It is not an unprimeable number, because it can be changed into a prime (2313511) 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, 1970 + ... + 2916.

It is an arithmetic number, because the mean of its divisors is an integer number (331800).

2^2313521 is an apocalyptic number.

It is an amenable number.

2313521 is a deficient number, since it is larger than the sum of its proper divisors (340879).

2313521 is an equidigital number, since it uses as much as digits as its factorization.

2313521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303.

The product of its digits is 180, while the sum is 17.

The square root of 2313521 is about 1521.0262982605. The cubic root of 2313521 is about 132.2587707682.

Adding to 2313521 its reverse (1253132), we get a palindrome (3566653).

The spelling of 2313521 in words is "two million, three hundred thirteen thousand, five hundred twenty-one".