2520654839 has 2 divisors, whose sum is σ = 2520654840. Its totient is φ = 2520654838.

The previous prime is 2520654823. The next prime is 2520654853. The reversal of 2520654839 is 9384560252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2520654839 - 2⁴ = 2520654823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2520654839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2520654809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260327419 + 1260327420.

It is an arithmetic number, because the mean of its divisors is an integer number (1260327420).

Almost surely, 2^2520654839 is an apocalyptic number.

2520654839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520654839 is an equidigital number, since it uses as much as digits as its factorization.

2520654839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 2520654839 is about 50206.1235209411. The cubic root of 2520654839 is about 1360.9362855979.

The spelling of 2520654839 in words is "two billion, five hundred twenty million, six hundred fifty-four thousand, eight hundred thirty-nine".