2517548491 has 2 divisors, whose sum is σ = 2517548492. Its totient is φ = 2517548490.

The previous prime is 2517548441. The next prime is 2517548503. The reversal of 2517548491 is 1948457152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2517548491 - 2²⁵ = 2483994059 is a prime.

It is not a weakly prime, because it can be changed into another prime (2517548441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258774245 + 1258774246.

It is an arithmetic number, because the mean of its divisors is an integer number (1258774246).

Almost surely, 2^2517548491 is an apocalyptic number.

2517548491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2517548491 is an equidigital number, since it uses as much as digits as its factorization.

2517548491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 46.

The square root of 2517548491 is about 50175.1780365551. The cubic root of 2517548491 is about 1360.3770024244.

The spelling of 2517548491 in words is "two billion, five hundred seventeen million, five hundred forty-eight thousand, four hundred ninety-one".