625346641 has 2 divisors, whose sum is σ = 625346642. Its totient is φ = 625346640.

The previous prime is 625346621. The next prime is 625346713. The reversal of 625346641 is 146643526.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 528816016 + 96530625 = 22996^2 + 9825^2 .

It is a cyclic number.

It is not a de Polignac number, because 625346641 - 2¹¹ = 625344593 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 625346641.

It is not a weakly prime, because it can be changed into another prime (625346611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312673320 + 312673321.

It is an arithmetic number, because the mean of its divisors is an integer number (312673321).

Almost surely, 2^625346641 is an apocalyptic number.

It is an amenable number.

625346641 is a deficient number, since it is larger than the sum of its proper divisors (1).

625346641 is an equidigital number, since it uses as much as digits as its factorization.

625346641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 37.

The square root of 625346641 is about 25006.9318589866. The cubic root of 625346641 is about 855.1460101974.

The spelling of 625346641 in words is "six hundred twenty-five million, three hundred forty-six thousand, six hundred forty-one".