2501540849 has 2 divisors, whose sum is σ = 2501540850. Its totient is φ = 2501540848.

The previous prime is 2501540791. The next prime is 2501540879. The reversal of 2501540849 is 9480451052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2329799824 + 171741025 = 48268^2 + 13105^2 .

It is a cyclic number.

It is not a de Polignac number, because 2501540849 - 2²⁸ = 2233105393 is a prime.

It is not a weakly prime, because it can be changed into another prime (2501540879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250770424 + 1250770425.

It is an arithmetic number, because the mean of its divisors is an integer number (1250770425).

Almost surely, 2^2501540849 is an apocalyptic number.

It is an amenable number.

2501540849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2501540849 is an equidigital number, since it uses as much as digits as its factorization.

2501540849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 2501540849 is about 50015.4061165157. The cubic root of 2501540849 is about 1357.4875848763.

The spelling of 2501540849 in words is "two billion, five hundred one million, five hundred forty thousand, eight hundred forty-nine".