2515045609 has 2 divisors, whose sum is σ = 2515045610. Its totient is φ = 2515045608.

The previous prime is 2515045601. The next prime is 2515045627. The reversal of 2515045609 is 9065405152.

2515045609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2500300009 + 14745600 = 50003^2 + 3840^2 .

It is a cyclic number.

It is not a de Polignac number, because 2515045609 - 2³ = 2515045601 is a prime.

It is not a weakly prime, because it can be changed into another prime (2515045601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257522804 + 1257522805.

It is an arithmetic number, because the mean of its divisors is an integer number (1257522805).

Almost surely, 2^2515045609 is an apocalyptic number.

It is an amenable number.

2515045609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2515045609 is an equidigital number, since it uses as much as digits as its factorization.

2515045609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 2515045609 is about 50150.2303982743. The cubic root of 2515045609 is about 1359.9260356617.

The spelling of 2515045609 in words is "two billion, five hundred fifteen million, forty-five thousand, six hundred nine".