506044531 has 2 divisors, whose sum is σ = 506044532. Its totient is φ = 506044530.

The previous prime is 506044529. The next prime is 506044543. The reversal of 506044531 is 135440605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 506044531 - 2¹ = 506044529 is a prime.

It is a super-2 number, since 2×506044531² = 512162134710019922, which contains 22 as substring.

Together with 506044529, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 506044531.

It is not a weakly prime, because it can be changed into another prime (506048531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253022265 + 253022266.

It is an arithmetic number, because the mean of its divisors is an integer number (253022266).

Almost surely, 2^506044531 is an apocalyptic number.

506044531 is a deficient number, since it is larger than the sum of its proper divisors (1).

506044531 is an equidigital number, since it uses as much as digits as its factorization.

506044531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 506044531 is about 22495.4335588359. The cubic root of 506044531 is about 796.8860883983.

The spelling of 506044531 in words is "five hundred six million, forty-four thousand, five hundred thirty-one".