225158256571 has 2 divisors, whose sum is σ = 225158256572. Its totient is φ = 225158256570.

The previous prime is 225158256551. The next prime is 225158256581. The reversal of 225158256571 is 175652851522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225158256571 - 2⁷ = 225158256443 is a prime.

It is not a weakly prime, because it can be changed into another prime (225158256551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112579128285 + 112579128286.

It is an arithmetic number, because the mean of its divisors is an integer number (112579128286).

Almost surely, 2^225158256571 is an apocalyptic number.

225158256571 is a deficient number, since it is larger than the sum of its proper divisors (1).

225158256571 is an equidigital number, since it uses as much as digits as its factorization.

225158256571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680000, while the sum is 49.

The spelling of 225158256571 in words is "two hundred twenty-five billion, one hundred fifty-eight million, two hundred fifty-six thousand, five hundred seventy-one".