625253003 has 2 divisors, whose sum is σ = 625253004. Its totient is φ = 625253002.

The previous prime is 625252961. The next prime is 625253009. The reversal of 625253003 is 300352526.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 625253003 - 2¹² = 625248907 is a prime.

It is a super-3 number, since 3×625253003³ (a number of 27 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (625253009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312626501 + 312626502.

It is an arithmetic number, because the mean of its divisors is an integer number (312626502).

Almost surely, 2^625253003 is an apocalyptic number.

625253003 is a deficient number, since it is larger than the sum of its proper divisors (1).

625253003 is an equidigital number, since it uses as much as digits as its factorization.

625253003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 625253003 is about 25005.0595480195. The cubic root of 625253003 is about 855.1033255199.

The spelling of 625253003 in words is "six hundred twenty-five million, two hundred fifty-three thousand, three".