625900123 has 2 divisors, whose sum is σ = 625900124. Its totient is φ = 625900122.

The previous prime is 625900117. The next prime is 625900133. The reversal of 625900123 is 321009526.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 625900123 - 2²⁹ = 89029211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 625900091 and 625900100.

It is not a weakly prime, because it can be changed into another prime (625900133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312950061 + 312950062.

It is an arithmetic number, because the mean of its divisors is an integer number (312950062).

Almost surely, 2^625900123 is an apocalyptic number.

625900123 is a deficient number, since it is larger than the sum of its proper divisors (1).

625900123 is an equidigital number, since it uses as much as digits as its factorization.

625900123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 625900123 is about 25017.9959828920. The cubic root of 625900123 is about 855.3982267672.

Adding to 625900123 its reverse (321009526), we get a palindrome (946909649).

The spelling of 625900123 in words is "six hundred twenty-five million, nine hundred thousand, one hundred twenty-three".