2521113839 has 2 divisors, whose sum is σ = 2521113840. Its totient is φ = 2521113838.

The previous prime is 2521113797. The next prime is 2521113841. The reversal of 2521113839 is 9383111252.

2521113839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2521113839 - 2¹² = 2521109743 is a prime.

It is a Sophie Germain prime.

Together with 2521113841, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2521113799 and 2521113808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2521113239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260556919 + 1260556920.

It is an arithmetic number, because the mean of its divisors is an integer number (1260556920).

Almost surely, 2^2521113839 is an apocalyptic number.

2521113839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521113839 is an equidigital number, since it uses as much as digits as its factorization.

2521113839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 35.

The square root of 2521113839 is about 50210.6944684098. The cubic root of 2521113839 is about 1361.0188873929.

The spelling of 2521113839 in words is "two billion, five hundred twenty-one million, one hundred thirteen thousand, eight hundred thirty-nine".