625427208229 has 2 divisors, whose sum is σ = 625427208230. Its totient is φ = 625427208228.

The previous prime is 625427208173. The next prime is 625427208251. The reversal of 625427208229 is 922802724526.

It is a happy number.

625427208229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 622636199329 + 2791008900 = 789073^2 + 52830^2 .

It is a cyclic number.

It is not a de Polignac number, because 625427208229 - 2¹⁷ = 625427077157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625427208629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312713604114 + 312713604115.

It is an arithmetic number, because the mean of its divisors is an integer number (312713604115).

Almost surely, 2^625427208229 is an apocalyptic number.

It is an amenable number.

625427208229 is a deficient number, since it is larger than the sum of its proper divisors (1).

625427208229 is an equidigital number, since it uses as much as digits as its factorization.

625427208229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 625427208229 in words is "six hundred twenty-five billion, four hundred twenty-seven million, two hundred eight thousand, two hundred twenty-nine".