626253028 has 12 divisors (see below), whose sum is σ = 1133734140. Its totient is φ = 302328992.

The previous prime is 626253007. The next prime is 626253037. The reversal of 626253028 is 820352626.

It can be written as a sum of positive squares in 2 ways, for example, as 108326464 + 517926564 = 10408^2 + 22758^2 .

It is a junction number, because it is equal to n+sod(n) for n = 626252984 and 626253002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2699251 + ... + 2699482.

It is an arithmetic number, because the mean of its divisors is an integer number (94477845).

Almost surely, 2^626253028 is an apocalyptic number.

It is an amenable number.

626253028 is a deficient number, since it is larger than the sum of its proper divisors (507481112).

626253028 is a wasteful number, since it uses less digits than its factorization.

626253028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5398766 (or 5398764 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 626253028 is about 25025.0480119420. The cubic root of 626253028 is about 855.5589646560.

The spelling of 626253028 in words is "six hundred twenty-six million, two hundred fifty-three thousand, twenty-eight".