2251313 has 4 divisors (see below), whose sum is σ = 2323968. Its totient is φ = 2178660.

The previous prime is 2251297. The next prime is 2251331. The reversal of 2251313 is 3131522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2251313 - 2⁴ = 2251297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2251291 and 2251300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251343) 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, 36281 + ... + 36342.

It is an arithmetic number, because the mean of its divisors is an integer number (580992).

2^2251313 is an apocalyptic number.

It is an amenable number.

2251313 is a deficient number, since it is larger than the sum of its proper divisors (72655).

2251313 is an equidigital number, since it uses as much as digits as its factorization.

2251313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72654.

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

The square root of 2251313 is about 1500.4376028346. The cubic root of 2251313 is about 131.0625538906.

Adding to 2251313 its reverse (3131522), we get a palindrome (5382835).

The spelling of 2251313 in words is "two million, two hundred fifty-one thousand, three hundred thirteen".