485131 has 2 divisors, whose sum is σ = 485132. Its totient is φ = 485130.

The previous prime is 485123. The next prime is 485137. The reversal of 485131 is 131584.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 485131 - 2³ = 485123 is a prime.

It is a super-2 number, since 2×485131² = 470704174322, which contains 22 as substring.

485131 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (485137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242565 + 242566.

It is an arithmetic number, because the mean of its divisors is an integer number (242566).

2⁴⁸⁵¹³¹ is an apocalyptic number.

485131 is a deficient number, since it is larger than the sum of its proper divisors (1).

485131 is an equidigital number, since it uses as much as digits as its factorization.

485131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 22.

The square root of 485131 is about 696.5134600279. The cubic root of 485131 is about 78.5753532868.

It can be divided in two parts, 485 and 131, that added together give a palindrome (616).

The spelling of 485131 in words is "four hundred eighty-five thousand, one hundred thirty-one".