625315633 has 2 divisors, whose sum is σ = 625315634. Its totient is φ = 625315632.

The previous prime is 625315567. The next prime is 625315667. The reversal of 625315633 is 336513526.

It is an a-pointer prime, because the next prime (625315667) can be obtained adding 625315633 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 622652209 + 2663424 = 24953^2 + 1632^2 .

It is a cyclic number.

It is not a de Polignac number, because 625315633 - 2⁹ = 625315121 is a prime.

It is not a weakly prime, because it can be changed into another prime (625315693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312657816 + 312657817.

It is an arithmetic number, because the mean of its divisors is an integer number (312657817).

Almost surely, 2^625315633 is an apocalyptic number.

It is an amenable number.

625315633 is a deficient number, since it is larger than the sum of its proper divisors (1).

625315633 is an equidigital number, since it uses as much as digits as its factorization.

625315633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 34.

The square root of 625315633 is about 25006.3118632077. The cubic root of 625315633 is about 855.1318757403.

The spelling of 625315633 in words is "six hundred twenty-five million, three hundred fifteen thousand, six hundred thirty-three".