627240541 has 2 divisors, whose sum is σ = 627240542. Its totient is φ = 627240540.

The previous prime is 627240511. The next prime is 627240553. The reversal of 627240541 is 145042726.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 548918041 + 78322500 = 23429^2 + 8850^2 .

It is a cyclic number.

It is not a de Polignac number, because 627240541 - 2¹⁵ = 627207773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (627240511) 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, 313620270 + 313620271.

It is an arithmetic number, because the mean of its divisors is an integer number (313620271).

Almost surely, 2^627240541 is an apocalyptic number.

It is an amenable number.

627240541 is a deficient number, since it is larger than the sum of its proper divisors (1).

627240541 is an equidigital number, since it uses as much as digits as its factorization.

627240541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 627240541 is about 25044.7707316318. The cubic root of 627240541 is about 856.0084272360.

The spelling of 627240541 in words is "six hundred twenty-seven million, two hundred forty thousand, five hundred forty-one".