2513839 has 2 divisors, whose sum is σ = 2513840. Its totient is φ = 2513838.

The previous prime is 2513827. The next prime is 2513881. The reversal of 2513839 is 9383152.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2513839 - 2⁹ = 2513327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2513839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2513809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256919 + 1256920.

It is an arithmetic number, because the mean of its divisors is an integer number (1256920).

2^2513839 is an apocalyptic number.

2513839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2513839 is an equidigital number, since it uses as much as digits as its factorization.

2513839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 31.

The square root of 2513839 is about 1585.5090665146. The cubic root of 2513839 is about 135.9708523175.

The spelling of 2513839 in words is "two million, five hundred thirteen thousand, eight hundred thirty-nine".