2591313 has 4 divisors (see below), whose sum is σ = 3455088. Its totient is φ = 1727540.

The previous prime is 2591273. The next prime is 2591333. The reversal of 2591313 is 3131952.

It is a happy number.

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 2591313 - 2¹² = 2587217 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2591333) 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, 431883 + ... + 431888.

It is an arithmetic number, because the mean of its divisors is an integer number (863772).

2^2591313 is an apocalyptic number.

It is an amenable number.

2591313 is a deficient number, since it is larger than the sum of its proper divisors (863775).

2591313 is an equidigital number, since it uses as much as digits as its factorization.

2591313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863774.

The product of its digits is 810, while the sum is 24.

The square root of 2591313 is about 1609.7555715077. The cubic root of 2591313 is about 137.3535719432.

The spelling of 2591313 in words is "two million, five hundred ninety-one thousand, three hundred thirteen".