506655331 has 16 divisors (see below), whose sum is σ = 626397184. Its totient is φ = 399056544.

The previous prime is 506655299. The next prime is 506655353. The reversal of 506655331 is 133556605.

It is a cyclic number.

It is not a de Polignac number, because 506655331 - 2⁵ = 506655299 is a prime.

It is a super-2 number, since 2×506655331² = 513399248861439122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (506655631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7810 + ... + 32776.

It is an arithmetic number, because the mean of its divisors is an integer number (39149824).

Almost surely, 2^506655331 is an apocalyptic number.

506655331 is a deficient number, since it is larger than the sum of its proper divisors (119741853).

506655331 is a wasteful number, since it uses less digits than its factorization.

506655331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25210.

The product of its (nonzero) digits is 40500, while the sum is 34.

The square root of 506655331 is about 22509.0055533335. The cubic root of 506655331 is about 797.2065755570.

The spelling of 506655331 in words is "five hundred six million, six hundred fifty-five thousand, three hundred thirty-one".