625396238 has 16 divisors (see below), whose sum is σ = 995917680. Its totient is φ = 293521536.

The previous prime is 625396231. The next prime is 625396249. The reversal of 625396238 is 832693526.

It is a super-2 number, since 2×625396238² = 782240909009105288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625396231) 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 in 7 ways as a sum of consecutive naturals, for example, 11381 + ... + 37152.

It is an arithmetic number, because the mean of its divisors is an integer number (62244855).

Almost surely, 2^625396238 is an apocalyptic number.

625396238 is a deficient number, since it is larger than the sum of its proper divisors (370521442).

625396238 is a wasteful number, since it uses less digits than its factorization.

625396238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48931.

The product of its digits is 466560, while the sum is 44.

The square root of 625396238 is about 25007.9235043616. The cubic root of 625396238 is about 855.1686171553.

The spelling of 625396238 in words is "six hundred twenty-five million, three hundred ninety-six thousand, two hundred thirty-eight".