625525633 has 2 divisors, whose sum is σ = 625525634. Its totient is φ = 625525632.

The previous prime is 625525627. The next prime is 625525651. The reversal of 625525633 is 336525526.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 345699649 + 279825984 = 18593^2 + 16728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-625525633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 625525592 and 625525601.

It is not a weakly prime, because it can be changed into another prime (625525933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312762816 + 312762817.

It is an arithmetic number, because the mean of its divisors is an integer number (312762817).

Almost surely, 2^625525633 is an apocalyptic number.

It is an amenable number.

625525633 is a deficient number, since it is larger than the sum of its proper divisors (1).

625525633 is an equidigital number, since it uses as much as digits as its factorization.

625525633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000, while the sum is 37.

The square root of 625525633 is about 25010.5104506086. The cubic root of 625525633 is about 855.2275914534.

The spelling of 625525633 in words is "six hundred twenty-five million, five hundred twenty-five thousand, six hundred thirty-three".