2552777971 has 2 divisors, whose sum is σ = 2552777972. Its totient is φ = 2552777970.

The previous prime is 2552777933. The next prime is 2552778061. The reversal of 2552777971 is 1797772552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2552777971 - 2⁹ = 2552777459 is a prime.

It is not a weakly prime, because it can be changed into another prime (2552774971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276388985 + 1276388986.

It is an arithmetic number, because the mean of its divisors is an integer number (1276388986).

Almost surely, 2^2552777971 is an apocalyptic number.

2552777971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2552777971 is an equidigital number, since it uses as much as digits as its factorization.

2552777971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160900, while the sum is 52.

The square root of 2552777971 is about 50525.0232162243. The cubic root of 2552777971 is about 1366.6931399261.

The spelling of 2552777971 in words is "two billion, five hundred fifty-two million, seven hundred seventy-seven thousand, nine hundred seventy-one".