625656503 has 2 divisors, whose sum is σ = 625656504. Its totient is φ = 625656502.

The previous prime is 625656497. The next prime is 625656509. The reversal of 625656503 is 305656526.

625656503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (625656497) and next prime (625656509).

It is a cyclic number.

It is not a de Polignac number, because 625656503 - 2⁶ = 625656439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625656509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312828251 + 312828252.

It is an arithmetic number, because the mean of its divisors is an integer number (312828252).

Almost surely, 2^625656503 is an apocalyptic number.

625656503 is a deficient number, since it is larger than the sum of its proper divisors (1).

625656503 is an equidigital number, since it uses as much as digits as its factorization.

625656503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 38.

The square root of 625656503 is about 25013.1266138402. The cubic root of 625656503 is about 855.2872297397.

It can be divided in two parts, 62 and 5656503, that added together give a palindrome (5656565).

The spelling of 625656503 in words is "six hundred twenty-five million, six hundred fifty-six thousand, five hundred three".