2562316787 has 2 divisors, whose sum is σ = 2562316788. Its totient is φ = 2562316786.

The previous prime is 2562316781. The next prime is 2562316807. The reversal of 2562316787 is 7876132652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2562316787 - 2¹⁸ = 2562054643 is a prime.

It is not a weakly prime, because it can be changed into another prime (2562316781) 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, 1281158393 + 1281158394.

It is an arithmetic number, because the mean of its divisors is an integer number (1281158394).

Almost surely, 2^2562316787 is an apocalyptic number.

2562316787 is a deficient number, since it is larger than the sum of its proper divisors (1).

2562316787 is an equidigital number, since it uses as much as digits as its factorization.

2562316787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 47.

The square root of 2562316787 is about 50619.3321469179. The cubic root of 2562316787 is about 1368.3933047948.

The spelling of 2562316787 in words is "two billion, five hundred sixty-two million, three hundred sixteen thousand, seven hundred eighty-seven".