2251255579 has 2 divisors, whose sum is σ = 2251255580. Its totient is φ = 2251255578.

The previous prime is 2251255547. The next prime is 2251255597. The reversal of 2251255579 is 9755521522.

Together with next prime (2251255597) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2251255579 - 2⁵ = 2251255547 is a prime.

It is not a weakly prime, because it can be changed into another prime (2251255879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125627789 + 1125627790.

It is an arithmetic number, because the mean of its divisors is an integer number (1125627790).

Almost surely, 2^2251255579 is an apocalyptic number.

2251255579 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251255579 is an equidigital number, since it uses as much as digits as its factorization.

2251255579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 315000, while the sum is 43.

The square root of 2251255579 is about 47447.3980213879. The cubic root of 2251255579 is about 1310.6143960651.

The spelling of 2251255579 in words is "two billion, two hundred fifty-one million, two hundred fifty-five thousand, five hundred seventy-nine".