2552791687 has 2 divisors, whose sum is σ = 2552791688. Its totient is φ = 2552791686.

The previous prime is 2552791679. The next prime is 2552791697. The reversal of 2552791687 is 7861972552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2552791687 - 2³ = 2552791679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2552791697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276395843 + 1276395844.

It is an arithmetic number, because the mean of its divisors is an integer number (1276395844).

Almost surely, 2^2552791687 is an apocalyptic number.

2552791687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2552791687 is an equidigital number, since it uses as much as digits as its factorization.

2552791687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 52.

The square root of 2552791687 is about 50525.1589507643. The cubic root of 2552791687 is about 1366.6955876555.

The spelling of 2552791687 in words is "two billion, five hundred fifty-two million, seven hundred ninety-one thousand, six hundred eighty-seven".