626404053 has 24 divisors (see below), whose sum is σ = 920866464. Its totient is φ = 378468640.

The previous prime is 626404039. The next prime is 626404061. The reversal of 626404053 is 350404626.

626404053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 626404053 - 2⁸ = 626403797 is a prime.

It is a super-2 number, since 2×626404053² = 784764075229653618, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 626404053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626404013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123475 + ... + 128447.

It is an arithmetic number, because the mean of its divisors is an integer number (38369436).

Almost surely, 2^626404053 is an apocalyptic number.

It is an amenable number.

626404053 is a deficient number, since it is larger than the sum of its proper divisors (294462411).

626404053 is a wasteful number, since it uses less digits than its factorization.

626404053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5345 (or 5334 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 626404053 is about 25028.0653067711. The cubic root of 626404053 is about 855.6277336687.

Adding to 626404053 its reverse (350404626), we get a palindrome (976808679).

The spelling of 626404053 in words is "six hundred twenty-six million, four hundred four thousand, fifty-three".