2512057991 has 2 divisors, whose sum is σ = 2512057992. Its totient is φ = 2512057990.

The previous prime is 2512057973. The next prime is 2512058051. The reversal of 2512057991 is 1997502152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2512057991 - 2³⁰ = 1438316167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2512057931) 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, 1256028995 + 1256028996.

It is an arithmetic number, because the mean of its divisors is an integer number (1256028996).

Almost surely, 2^2512057991 is an apocalyptic number.

2512057991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2512057991 is an equidigital number, since it uses as much as digits as its factorization.

2512057991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 41.

The square root of 2512057991 is about 50120.4348644343. The cubic root of 2512057991 is about 1359.3873377634.

The spelling of 2512057991 in words is "two billion, five hundred twelve million, fifty-seven thousand, nine hundred ninety-one".