2517426887 has 2 divisors, whose sum is σ = 2517426888. Its totient is φ = 2517426886.

The previous prime is 2517426883. The next prime is 2517426911. The reversal of 2517426887 is 7886247152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2517426887 - 2² = 2517426883 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2517426881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258713443 + 1258713444.

It is an arithmetic number, because the mean of its divisors is an integer number (1258713444).

Almost surely, 2^2517426887 is an apocalyptic number.

2517426887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2517426887 is an equidigital number, since it uses as much as digits as its factorization.

2517426887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1505280, while the sum is 50.

The square root of 2517426887 is about 50173.9662275168. The cubic root of 2517426887 is about 1360.3550988478.

The spelling of 2517426887 in words is "two billion, five hundred seventeen million, four hundred twenty-six thousand, eight hundred eighty-seven".