2552251993 has 2 divisors, whose sum is σ = 2552251994. Its totient is φ = 2552251992.

The previous prime is 2552251987. The next prime is 2552252077. The reversal of 2552251993 is 3991522552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2500800064 + 51451929 = 50008^2 + 7173^2 .

It is a cyclic number.

It is not a de Polignac number, because 2552251993 - 2²⁵ = 2518697561 is a prime.

It is not a weakly prime, because it can be changed into another prime (2552251903) 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, 1276125996 + 1276125997.

It is an arithmetic number, because the mean of its divisors is an integer number (1276125997).

Almost surely, 2^2552251993 is an apocalyptic number.

It is an amenable number.

2552251993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2552251993 is an equidigital number, since it uses as much as digits as its factorization.

2552251993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 243000, while the sum is 43.

The square root of 2552251993 is about 50519.8178242954. The cubic root of 2552251993 is about 1366.5992683466.

The spelling of 2552251993 in words is "two billion, five hundred fifty-two million, two hundred fifty-one thousand, nine hundred ninety-three".