506626653 has 8 divisors (see below), whose sum is σ = 727463968. Its totient is φ = 311770224.

The previous prime is 506626613. The next prime is 506626661. The reversal of 506626653 is 356626605.

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

It is not a de Polignac number, because 506626653 - 2¹⁰ = 506625629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 12990427 = 506626653 / (5 + 0 + 6 + 6 + 2 + 6 + 6 + 5 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506626613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6495175 + ... + 6495252.

It is an arithmetic number, because the mean of its divisors is an integer number (90932996).

Almost surely, 2^506626653 is an apocalyptic number.

It is an amenable number.

506626653 is a deficient number, since it is larger than the sum of its proper divisors (220837315).

506626653 is a wasteful number, since it uses less digits than its factorization.

506626653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12990443.

The product of its (nonzero) digits is 194400, while the sum is 39.

The square root of 506626653 is about 22508.3685104007. The cubic root of 506626653 is about 797.1915339563.

The spelling of 506626653 in words is "five hundred six million, six hundred twenty-six thousand, six hundred fifty-three".