626254045 has 8 divisors (see below), whose sum is σ = 771816024. Its totient is φ = 487462464.

The previous prime is 626254039. The next prime is 626254067. The reversal of 626254045 is 540452626.

It can be written as a sum of positive squares in 4 ways, for example, as 175668516 + 450585529 = 13254^2 + 21227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 626254045 - 2⁷ = 626253917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 626254045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1692394 + ... + 1692763.

It is an arithmetic number, because the mean of its divisors is an integer number (96477003).

Almost surely, 2^626254045 is an apocalyptic number.

It is an amenable number.

626254045 is a deficient number, since it is larger than the sum of its proper divisors (145561979).

626254045 is a wasteful number, since it uses less digits than its factorization.

626254045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385199.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 626254045 is about 25025.0683315750. The cubic root of 626254045 is about 855.5594277824.

The spelling of 626254045 in words is "six hundred twenty-six million, two hundred fifty-four thousand, forty-five".