626988052 has 6 divisors (see below), whose sum is σ = 1097229098. Its totient is φ = 313494024.

The previous prime is 626988041. The next prime is 626988079. The reversal of 626988052 is 250889626.

It can be written as a sum of positive squares in only one way, i.e., 622801936 + 4186116 = 24956^2 + 2046^2 .

It is a super-3 number, since 3×626988052³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 626987993 and 626988011.

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 as a sum of consecutive naturals, namely, 78373503 + ... + 78373510.

Almost surely, 2^626988052 is an apocalyptic number.

It is an amenable number.

626988052 is a deficient number, since it is larger than the sum of its proper divisors (470241046).

626988052 is a wasteful number, since it uses less digits than its factorization.

626988052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156747017 (or 156747015 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 626988052 is about 25039.7294713821. The cubic root of 626988052 is about 855.8935527954.

The spelling of 626988052 in words is "six hundred twenty-six million, nine hundred eighty-eight thousand, fifty-two".