505941531 has 8 divisors (see below), whose sum is σ = 678358080. Its totient is φ = 335409672.

The previous prime is 505941473. The next prime is 505941533. The reversal of 505941531 is 135149505.

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

It is not a de Polignac number, because 505941531 - 2⁹ = 505941019 is a prime.

It is a super-2 number, since 2×505941531² = 511953665581247922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505941492 and 505941501.

It is not an unprimeable number, because it can be changed into a prime (505941533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470545 + ... + 471618.

It is an arithmetic number, because the mean of its divisors is an integer number (84794760).

Almost surely, 2^505941531 is an apocalyptic number.

505941531 is a deficient number, since it is larger than the sum of its proper divisors (172416549).

505941531 is a wasteful number, since it uses less digits than its factorization.

505941531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942345.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 505941531 is about 22493.1440888107. The cubic root of 505941531 is about 796.8320188244.

It can be divided in two parts, 50594 and 1531, that added together give a palindrome (52125).

The spelling of 505941531 in words is "five hundred five million, nine hundred forty-one thousand, five hundred thirty-one".