506479281 has 32 divisors (see below), whose sum is σ = 853825536. Its totient is φ = 259392000.

The previous prime is 506479277. The next prime is 506479301. The reversal of 506479281 is 182974605.

It is not a de Polignac number, because 506479281 - 2² = 506479277 is a prime.

It is a super-2 number, since 2×506479281² = 513042524164553922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (506479081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 961 + ... + 31841.

It is an arithmetic number, because the mean of its divisors is an integer number (26682048).

Almost surely, 2^506479281 is an apocalyptic number.

It is an amenable number.

506479281 is a deficient number, since it is larger than the sum of its proper divisors (347346255).

506479281 is a wasteful number, since it uses less digits than its factorization.

506479281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30973.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 506479281 is about 22505.0945565665. The cubic root of 506479281 is about 797.1142284405.

The spelling of 506479281 in words is "five hundred six million, four hundred seventy-nine thousand, two hundred eighty-one".