625044263 has 2 divisors, whose sum is σ = 625044264. Its totient is φ = 625044262.

The previous prime is 625044239. The next prime is 625044269. The reversal of 625044263 is 362440526.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 625044263 - 2²² = 620849959 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 (625044269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312522131 + 312522132.

It is an arithmetic number, because the mean of its divisors is an integer number (312522132).

Almost surely, 2^625044263 is an apocalyptic number.

625044263 is a deficient number, since it is larger than the sum of its proper divisors (1).

625044263 is an equidigital number, since it uses as much as digits as its factorization.

625044263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 625044263 is about 25000.8852443268. The cubic root of 625044263 is about 855.0081565060.

Adding to 625044263 its reverse (362440526), we get a palindrome (987484789).

The spelling of 625044263 in words is "six hundred twenty-five million, forty-four thousand, two hundred sixty-three".