2552783081 has 2 divisors, whose sum is σ = 2552783082. Its totient is φ = 2552783080.

The previous prime is 2552783039. The next prime is 2552783099. The reversal of 2552783081 is 1803872552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2481633856 + 71149225 = 49816^2 + 8435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2552783081 is a prime.

It is a super-2 number, since 2×2552783081² = 13033402917279705122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2552782081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276391540 + 1276391541.

It is an arithmetic number, because the mean of its divisors is an integer number (1276391541).

Almost surely, 2^2552783081 is an apocalyptic number.

It is an amenable number.

2552783081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2552783081 is an equidigital number, since it uses as much as digits as its factorization.

2552783081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 2552783081 is about 50525.0737852009. The cubic root of 2552783081 is about 1366.6940518473.

The spelling of 2552783081 in words is "two billion, five hundred fifty-two million, seven hundred eighty-three thousand, eighty-one".