2521995727 has 2 divisors, whose sum is σ = 2521995728. Its totient is φ = 2521995726.

The previous prime is 2521995691. The next prime is 2521995767. The reversal of 2521995727 is 7275991252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2521995727 - 2¹⁵ = 2521962959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2521995767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260997863 + 1260997864.

It is an arithmetic number, because the mean of its divisors is an integer number (1260997864).

Almost surely, 2^2521995727 is an apocalyptic number.

2521995727 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521995727 is an equidigital number, since it uses as much as digits as its factorization.

2521995727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 793800, while the sum is 49.

The square root of 2521995727 is about 50219.4755747210. The cubic root of 2521995727 is about 1361.1775641230.

The spelling of 2521995727 in words is "two billion, five hundred twenty-one million, nine hundred ninety-five thousand, seven hundred twenty-seven".