2516501671 has 2 divisors, whose sum is σ = 2516501672. Its totient is φ = 2516501670.

The previous prime is 2516501633. The next prime is 2516501707. The reversal of 2516501671 is 1761056152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2516501671 - 2⁷ = 2516501543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2516501171) 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, 1258250835 + 1258250836.

It is an arithmetic number, because the mean of its divisors is an integer number (1258250836).

Almost surely, 2^2516501671 is an apocalyptic number.

2516501671 is a deficient number, since it is larger than the sum of its proper divisors (1).

2516501671 is an equidigital number, since it uses as much as digits as its factorization.

2516501671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 2516501671 is about 50164.7452998617. The cubic root of 2516501671 is about 1360.1884238284.

The spelling of 2516501671 in words is "two billion, five hundred sixteen million, five hundred one thousand, six hundred seventy-one".