627312913 has 2 divisors, whose sum is σ = 627312914. Its totient is φ = 627312912.

The previous prime is 627312883. The next prime is 627312943. The reversal of 627312913 is 319213726.

It is a balanced prime because it is at equal distance from previous prime (627312883) and next prime (627312943).

It can be written as a sum of positive squares in only one way, i.e., 337530384 + 289782529 = 18372^2 + 17023^2 .

It is a cyclic number.

It is not a de Polignac number, because 627312913 - 2¹³ = 627304721 is a prime.

It is a super-3 number, since 3×627312913³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (627312943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313656456 + 313656457.

It is an arithmetic number, because the mean of its divisors is an integer number (313656457).

Almost surely, 2^627312913 is an apocalyptic number.

It is an amenable number.

627312913 is a deficient number, since it is larger than the sum of its proper divisors (1).

627312913 is an equidigital number, since it uses as much as digits as its factorization.

627312913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 34.

The square root of 627312913 is about 25046.2155424727. The cubic root of 627312913 is about 856.0413485027.

The spelling of 627312913 in words is "six hundred twenty-seven million, three hundred twelve thousand, nine hundred thirteen".