625145033 has 2 divisors, whose sum is σ = 625145034. Its totient is φ = 625145032.

The previous prime is 625144939. The next prime is 625145057. The reversal of 625145033 is 330541526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 396288649 + 228856384 = 19907^2 + 15128^2 .

It is a cyclic number.

It is not a de Polignac number, because 625145033 - 2²⁰ = 624096457 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 625144987 and 625145005.

It is not a weakly prime, because it can be changed into another prime (625145333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312572516 + 312572517.

It is an arithmetic number, because the mean of its divisors is an integer number (312572517).

Almost surely, 2^625145033 is an apocalyptic number.

It is an amenable number.

625145033 is a deficient number, since it is larger than the sum of its proper divisors (1).

625145033 is an equidigital number, since it uses as much as digits as its factorization.

625145033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 625145033 is about 25002.9004917430. The cubic root of 625145033 is about 855.0541023412.

Adding to 625145033 its reverse (330541526), we get a palindrome (955686559).

The spelling of 625145033 in words is "six hundred twenty-five million, one hundred forty-five thousand, thirty-three".