2625500609 has 2 divisors, whose sum is σ = 2625500610. Its totient is φ = 2625500608.

The previous prime is 2625500599. The next prime is 2625500671. The reversal of 2625500609 is 9060055262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1905759025 + 719741584 = 43655^2 + 26828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2625500609 is a prime.

It is not a weakly prime, because it can be changed into another prime (2625500309) 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, 1312750304 + 1312750305.

It is an arithmetic number, because the mean of its divisors is an integer number (1312750305).

Almost surely, 2^2625500609 is an apocalyptic number.

It is an amenable number.

2625500609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2625500609 is an equidigital number, since it uses as much as digits as its factorization.

2625500609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 2625500609 is about 51239.6390404929. The cubic root of 2625500609 is about 1379.5497741895.

The spelling of 2625500609 in words is "two billion, six hundred twenty-five million, five hundred thousand, six hundred nine".