2556035983 has 2 divisors, whose sum is σ = 2556035984. Its totient is φ = 2556035982.

The previous prime is 2556035927. The next prime is 2556036001. The reversal of 2556035983 is 3895306552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2556035983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2556035903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278017991 + 1278017992.

It is an arithmetic number, because the mean of its divisors is an integer number (1278017992).

Almost surely, 2^2556035983 is an apocalyptic number.

2556035983 is a deficient number, since it is larger than the sum of its proper divisors (1).

2556035983 is an equidigital number, since it uses as much as digits as its factorization.

2556035983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972000, while the sum is 46.

The square root of 2556035983 is about 50557.2545041758. The cubic root of 2556035983 is about 1367.2743119893.

The spelling of 2556035983 in words is "two billion, five hundred fifty-six million, thirty-five thousand, nine hundred eighty-three".