485939131 has 2 divisors, whose sum is σ = 485939132. Its totient is φ = 485939130.

The previous prime is 485939107. The next prime is 485939143. The reversal of 485939131 is 131939584.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 485939131 - 2⁵ = 485939099 is a prime.

It is a super-2 number, since 2×485939131² = 472273678074070322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (485939171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242969565 + 242969566.

It is an arithmetic number, because the mean of its divisors is an integer number (242969566).

Almost surely, 2^485939131 is an apocalyptic number.

485939131 is a deficient number, since it is larger than the sum of its proper divisors (1).

485939131 is an equidigital number, since it uses as much as digits as its factorization.

485939131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 43.

The square root of 485939131 is about 22044.0271048645. The cubic root of 485939131 is about 786.1895934544.

The spelling of 485939131 in words is "four hundred eighty-five million, nine hundred thirty-nine thousand, one hundred thirty-one".