2590521539 has 2 divisors, whose sum is σ = 2590521540. Its totient is φ = 2590521538.

The previous prime is 2590521517. The next prime is 2590521613. The reversal of 2590521539 is 9351250952.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2590521539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2590521496 and 2590521505.

It is not a weakly prime, because it can be changed into another prime (2590521139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1295260769 + 1295260770.

It is an arithmetic number, because the mean of its divisors is an integer number (1295260770).

Almost surely, 2^2590521539 is an apocalyptic number.

2590521539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2590521539 is an equidigital number, since it uses as much as digits as its factorization.

2590521539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 121500, while the sum is 41.

The square root of 2590521539 is about 50897.1663160141. The cubic root of 2590521539 is about 1373.3958661802.

The spelling of 2590521539 in words is "two billion, five hundred ninety million, five hundred twenty-one thousand, five hundred thirty-nine".