625446893 has 2 divisors, whose sum is σ = 625446894. Its totient is φ = 625446892.

The previous prime is 625446869. The next prime is 625446931. The reversal of 625446893 is 398644526.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 618119044 + 7327849 = 24862^2 + 2707^2 .

It is a cyclic number.

It is not a de Polignac number, because 625446893 - 2¹⁶ = 625381357 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625446823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312723446 + 312723447.

It is an arithmetic number, because the mean of its divisors is an integer number (312723447).

Almost surely, 2^625446893 is an apocalyptic number.

It is an amenable number.

625446893 is a deficient number, since it is larger than the sum of its proper divisors (1).

625446893 is an equidigital number, since it uses as much as digits as its factorization.

625446893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 47.

The square root of 625446893 is about 25008.9362628641. The cubic root of 625446893 is about 855.1917051296.

The spelling of 625446893 in words is "six hundred twenty-five million, four hundred forty-six thousand, eight hundred ninety-three".