2492813 has 2 divisors, whose sum is σ = 2492814. Its totient is φ = 2492812.

The previous prime is 2492797. The next prime is 2492821. The reversal of 2492813 is 3182942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2079364 + 413449 = 1442^2 + 643^2 .

It is a cyclic number.

It is not a de Polignac number, because 2492813 - 2⁴ = 2492797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2492843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1246406 + 1246407.

It is an arithmetic number, because the mean of its divisors is an integer number (1246407).

2^2492813 is an apocalyptic number.

It is an amenable number.

2492813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2492813 is an equidigital number, since it uses as much as digits as its factorization.

2492813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 2492813 is about 1578.8644653674. The cubic root of 2492813 is about 135.5906992052.

The spelling of 2492813 in words is "two million, four hundred ninety-two thousand, eight hundred thirteen".