485927129 has 2 divisors, whose sum is σ = 485927130. Its totient is φ = 485927128.

The previous prime is 485927083. The next prime is 485927137. The reversal of 485927129 is 921729584.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 350251225 + 135675904 = 18715^2 + 11648^2 .

It is a cyclic number.

It is not a de Polignac number, because 485927129 - 2⁸ = 485926873 is a prime.

It is a super-2 number, since 2×485927129² = 472250349396365282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (485927929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242963564 + 242963565.

It is an arithmetic number, because the mean of its divisors is an integer number (242963565).

Almost surely, 2^485927129 is an apocalyptic number.

It is an amenable number.

485927129 is a deficient number, since it is larger than the sum of its proper divisors (1).

485927129 is an equidigital number, since it uses as much as digits as its factorization.

485927129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 47.

The square root of 485927129 is about 22043.7548752475. The cubic root of 485927129 is about 786.1831208158.

The spelling of 485927129 in words is "four hundred eighty-five million, nine hundred twenty-seven thousand, one hundred twenty-nine".