505061331 has 8 divisors (see below), whose sum is σ = 695138304. Its totient is φ = 325845960.

The previous prime is 505061317. The next prime is 505061341. The reversal of 505061331 is 133160505.

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

It is not a de Polignac number, because 505061331 - 2¹¹ = 505059283 is a prime.

It is a super-2 number, since 2×505061331² = 510173896142983122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (505061341) 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, 2715291 + ... + 2715476.

It is an arithmetic number, because the mean of its divisors is an integer number (86892288).

Almost surely, 2^505061331 is an apocalyptic number.

505061331 is a deficient number, since it is larger than the sum of its proper divisors (190076973).

505061331 is a wasteful number, since it uses less digits than its factorization.

505061331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5430801.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 505061331 is about 22473.5696096548. The cubic root of 505061331 is about 796.3696606103.

The spelling of 505061331 in words is "five hundred five million, sixty-one thousand, three hundred thirty-one".