626715241 has 2 divisors, whose sum is σ = 626715242. Its totient is φ = 626715240.

The previous prime is 626715203. The next prime is 626715263. The reversal of 626715241 is 142517626.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 415303641 + 211411600 = 20379^2 + 14540^2 .

It is a cyclic number.

It is not a de Polignac number, because 626715241 - 2¹³ = 626707049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 626715197 and 626715206.

It is not a weakly prime, because it can be changed into another prime (626715041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313357620 + 313357621.

It is an arithmetic number, because the mean of its divisors is an integer number (313357621).

Almost surely, 2^626715241 is an apocalyptic number.

It is an amenable number.

626715241 is a deficient number, since it is larger than the sum of its proper divisors (1).

626715241 is an equidigital number, since it uses as much as digits as its factorization.

626715241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 34.

The square root of 626715241 is about 25034.2813158277. The cubic root of 626715241 is about 855.7693978244.

The spelling of 626715241 in words is "six hundred twenty-six million, seven hundred fifteen thousand, two hundred forty-one".