625983829 has 2 divisors, whose sum is σ = 625983830. Its totient is φ = 625983828.

The previous prime is 625983817. The next prime is 625983863. The reversal of 625983829 is 928389526.

It is a happy number.

625983829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 539307729 + 86676100 = 23223^2 + 9310^2 .

It is a cyclic number.

It is not a de Polignac number, because 625983829 - 2⁹ = 625983317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625987829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312991914 + 312991915.

It is an arithmetic number, because the mean of its divisors is an integer number (312991915).

Almost surely, 2^625983829 is an apocalyptic number.

It is an amenable number.

625983829 is a deficient number, since it is larger than the sum of its proper divisors (1).

625983829 is an equidigital number, since it uses as much as digits as its factorization.

625983829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 52.

The square root of 625983829 is about 25019.6688427325. The cubic root of 625983829 is about 855.4363578628.

The spelling of 625983829 in words is "six hundred twenty-five million, nine hundred eighty-three thousand, eight hundred twenty-nine".