2255192521 has 2 divisors, whose sum is σ = 2255192522. Its totient is φ = 2255192520.

The previous prime is 2255192507. The next prime is 2255192543. The reversal of 2255192521 is 1252915522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2210034121 + 45158400 = 47011^2 + 6720^2 .

It is a cyclic number.

It is not a de Polignac number, because 2255192521 - 2⁷ = 2255192393 is a prime.

It is not a weakly prime, because it can be changed into another prime (2255192501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127596260 + 1127596261.

It is an arithmetic number, because the mean of its divisors is an integer number (1127596261).

Almost surely, 2^2255192521 is an apocalyptic number.

It is an amenable number.

2255192521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2255192521 is an equidigital number, since it uses as much as digits as its factorization.

2255192521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 34.

The square root of 2255192521 is about 47488.8673375140. The cubic root of 2255192521 is about 1311.3779415346.

The spelling of 2255192521 in words is "two billion, two hundred fifty-five million, one hundred ninety-two thousand, five hundred twenty-one".