2562317287 has 2 divisors, whose sum is σ = 2562317288. Its totient is φ = 2562317286.

The previous prime is 2562317281. The next prime is 2562317321. The reversal of 2562317287 is 7827132652.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2562317287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2562317281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1281158643 + 1281158644.

It is an arithmetic number, because the mean of its divisors is an integer number (1281158644).

Almost surely, 2^2562317287 is an apocalyptic number.

2562317287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2562317287 is an equidigital number, since it uses as much as digits as its factorization.

2562317287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 43.

The square root of 2562317287 is about 50619.3370857422. The cubic root of 2562317287 is about 1368.3933938023.

The spelling of 2562317287 in words is "two billion, five hundred sixty-two million, three hundred seventeen thousand, two hundred eighty-seven".