625572271 has 2 divisors, whose sum is σ = 625572272. Its totient is φ = 625572270.

The previous prime is 625572229. The next prime is 625572293. The reversal of 625572271 is 172275526.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 625572271 - 2⁹ = 625571759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 625572271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625572371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312786135 + 312786136.

It is an arithmetic number, because the mean of its divisors is an integer number (312786136).

Almost surely, 2^625572271 is an apocalyptic number.

625572271 is a deficient number, since it is larger than the sum of its proper divisors (1).

625572271 is an equidigital number, since it uses as much as digits as its factorization.

625572271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58800, while the sum is 37.

The square root of 625572271 is about 25011.4428012460. The cubic root of 625572271 is about 855.2488456387.

The spelling of 625572271 in words is "six hundred twenty-five million, five hundred seventy-two thousand, two hundred seventy-one".