506366531 has 8 divisors (see below), whose sum is σ = 552614400. Its totient is φ = 460154440.

The previous prime is 506366507. The next prime is 506366557. The reversal of 506366531 is 135663605.

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 506366531 - 2⁶ = 506366467 is a prime.

It is a super-2 number, since 2×506366531² = 512814127433947922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506366491 and 506366500.

It is not an unprimeable number, because it can be changed into a prime (506366501) 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, 26930 + ... + 41688.

It is an arithmetic number, because the mean of its divisors is an integer number (69076800).

Almost surely, 2^506366531 is an apocalyptic number.

506366531 is a deficient number, since it is larger than the sum of its proper divisors (46247869).

506366531 is a wasteful number, since it uses less digits than its factorization.

506366531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17889.

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 506366531 is about 22502.5894287746. The cubic root of 506366531 is about 797.0550741292.

The spelling of 506366531 in words is "five hundred six million, three hundred sixty-six thousand, five hundred thirty-one".