627424901 has 2 divisors, whose sum is σ = 627424902. Its totient is φ = 627424900.

The previous prime is 627424829. The next prime is 627424907. The reversal of 627424901 is 109424726.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 618268225 + 9156676 = 24865^2 + 3026^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-627424901 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (627424907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313712450 + 313712451.

It is an arithmetic number, because the mean of its divisors is an integer number (313712451).

Almost surely, 2^627424901 is an apocalyptic number.

It is an amenable number.

627424901 is a deficient number, since it is larger than the sum of its proper divisors (1).

627424901 is an equidigital number, since it uses as much as digits as its factorization.

627424901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 627424901 is about 25048.4510698766. The cubic root of 627424901 is about 856.0922856838.

The spelling of 627424901 in words is "six hundred twenty-seven million, four hundred twenty-four thousand, nine hundred one".