627145349 has 2 divisors, whose sum is σ = 627145350. Its totient is φ = 627145348.

The previous prime is 627145333. The next prime is 627145391. The reversal of 627145349 is 943541726.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 624100324 + 3045025 = 24982^2 + 1745^2 .

It is a cyclic number.

It is not a de Polignac number, because 627145349 - 2⁴ = 627145333 is a prime.

It is a super-2 number, since 2×627145349² = 786622577544663602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (627145319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313572674 + 313572675.

It is an arithmetic number, because the mean of its divisors is an integer number (313572675).

Almost surely, 2^627145349 is an apocalyptic number.

It is an amenable number.

627145349 is a deficient number, since it is larger than the sum of its proper divisors (1).

627145349 is an equidigital number, since it uses as much as digits as its factorization.

627145349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 41.

The square root of 627145349 is about 25042.8702228798. The cubic root of 627145349 is about 855.9651215336.

The spelling of 627145349 in words is "six hundred twenty-seven million, one hundred forty-five thousand, three hundred forty-nine".