625689238 has 8 divisors (see below), whose sum is σ = 940179240. Its totient is φ = 312296160.

The previous prime is 625689167. The next prime is 625689257. The reversal of 625689238 is 832986526.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 625689191 and 625689200.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 272803 + ... + 275086.

It is an arithmetic number, because the mean of its divisors is an integer number (117522405).

Almost surely, 2^625689238 is an apocalyptic number.

625689238 is a deficient number, since it is larger than the sum of its proper divisors (314490002).

625689238 is a wasteful number, since it uses less digits than its factorization.

625689238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548462.

The product of its digits is 1244160, while the sum is 49.

The square root of 625689238 is about 25013.7809617019. The cubic root of 625689238 is about 855.3021459859.

The spelling of 625689238 in words is "six hundred twenty-five million, six hundred eighty-nine thousand, two hundred thirty-eight".