2508413561 has 2 divisors, whose sum is σ = 2508413562. Its totient is φ = 2508413560.

The previous prime is 2508413543. The next prime is 2508413587. The reversal of 2508413561 is 1653148052.

2508413561 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., 1636687936 + 871725625 = 40456^2 + 29525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2508413561 is a prime.

It is not a weakly prime, because it can be changed into another prime (2508413591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1254206780 + 1254206781.

It is an arithmetic number, because the mean of its divisors is an integer number (1254206781).

Almost surely, 2^2508413561 is an apocalyptic number.

It is an amenable number.

2508413561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2508413561 is an equidigital number, since it uses as much as digits as its factorization.

2508413561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 2508413561 is about 50084.0649408572. The cubic root of 2508413561 is about 1358.7296313793.

The spelling of 2508413561 in words is "two billion, five hundred eight million, four hundred thirteen thousand, five hundred sixty-one".