2625566539 has 2 divisors, whose sum is σ = 2625566540. Its totient is φ = 2625566538.

The previous prime is 2625566527. The next prime is 2625566549. The reversal of 2625566539 is 9356655262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2625566539 - 2²⁵ = 2592012107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2625566492 and 2625566501.

It is not a weakly prime, because it can be changed into another prime (2625566519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1312783269 + 1312783270.

It is an arithmetic number, because the mean of its divisors is an integer number (1312783270).

Almost surely, 2^2625566539 is an apocalyptic number.

2625566539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2625566539 is an equidigital number, since it uses as much as digits as its factorization.

2625566539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916000, while the sum is 49.

The square root of 2625566539 is about 51240.2823860291. The cubic root of 2625566539 is about 1379.5613215690.

The spelling of 2625566539 in words is "two billion, six hundred twenty-five million, five hundred sixty-six thousand, five hundred thirty-nine".