2556246601 has 2 divisors, whose sum is σ = 2556246602. Its totient is φ = 2556246600.

The previous prime is 2556246571. The next prime is 2556246629. The reversal of 2556246601 is 1066426552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1987376400 + 568870201 = 44580^2 + 23851^2 .

It is a cyclic number.

It is not a de Polignac number, because 2556246601 - 2¹³ = 2556238409 is a prime.

It is not a weakly prime, because it can be changed into another prime (2556246631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278123300 + 1278123301.

It is an arithmetic number, because the mean of its divisors is an integer number (1278123301).

Almost surely, 2^2556246601 is an apocalyptic number.

It is an amenable number.

2556246601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2556246601 is an equidigital number, since it uses as much as digits as its factorization.

2556246601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 2556246601 is about 50559.3374264339. The cubic root of 2556246601 is about 1367.3118655389.

The spelling of 2556246601 in words is "two billion, five hundred fifty-six million, two hundred forty-six thousand, six hundred one".