2573456313 has 4 divisors (see below), whose sum is σ = 3431275088. Its totient is φ = 1715637540.

The previous prime is 2573456309. The next prime is 2573456321. The reversal of 2573456313 is 3136543752.

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 not a de Polignac number, because 2573456313 - 2² = 2573456309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2573456713) 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, 428909383 + ... + 428909388.

It is an arithmetic number, because the mean of its divisors is an integer number (857818772).

Almost surely, 2^2573456313 is an apocalyptic number.

It is an amenable number.

2573456313 is a deficient number, since it is larger than the sum of its proper divisors (857818775).

2573456313 is an equidigital number, since it uses as much as digits as its factorization.

2573456313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857818774.

The product of its digits is 226800, while the sum is 39.

The square root of 2573456313 is about 50729.2451451823. The cubic root of 2573456313 is about 1370.3734419827.

The spelling of 2573456313 in words is "two billion, five hundred seventy-three million, four hundred fifty-six thousand, three hundred thirteen".