2552813 has 4 divisors (see below), whose sum is σ = 2559168. Its totient is φ = 2546460.

The previous prime is 2552807. The next prime is 2552833. The reversal of 2552813 is 3182552.

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 a de Polignac number, because none of the positive numbers 2^k-2552813 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552833) 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, 2531 + ... + 3392.

It is an arithmetic number, because the mean of its divisors is an integer number (639792).

2^2552813 is an apocalyptic number.

It is an amenable number.

2552813 is a deficient number, since it is larger than the sum of its proper divisors (6355).

2552813 is an equidigital number, since it uses as much as digits as its factorization.

2552813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6354.

The product of its digits is 2400, while the sum is 26.

The square root of 2552813 is about 1597.7524839599. The cubic root of 2552813 is about 136.6699391113.

The spelling of 2552813 in words is "two million, five hundred fifty-two thousand, eight hundred thirteen".