626055253 has 4 divisors (see below), whose sum is σ = 626477760. Its totient is φ = 625632748.

The previous prime is 626055251. The next prime is 626055259. The reversal of 626055253 is 352550626.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 352550626 = 2 ⋅176275313.

It is a cyclic number.

It is not a de Polignac number, because 626055253 - 2¹ = 626055251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626055251) 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 3 ways as a sum of consecutive naturals, for example, 209023 + ... + 211996.

It is an arithmetic number, because the mean of its divisors is an integer number (156619440).

Almost surely, 2^626055253 is an apocalyptic number.

It is an amenable number.

626055253 is a deficient number, since it is larger than the sum of its proper divisors (422507).

626055253 is a wasteful number, since it uses less digits than its factorization.

626055253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422506.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 626055253 is about 25021.0961590415. The cubic root of 626055253 is about 855.4688913777.

The spelling of 626055253 in words is "six hundred twenty-six million, fifty-five thousand, two hundred fifty-three".