985449259 has 2 divisors, whose sum is σ = 985449260. Its totient is φ = 985449258.

The previous prime is 985449253. The next prime is 985449277. The reversal of 985449259 is 952944589.

It is a weak prime.

It is an emirp because it is prime and its reverse (952944589) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 985449259 - 2⁹ = 985448747 is a prime.

It is a super-2 number, since 2×985449259² = 1942220484127298162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (985449253) 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, 492724629 + 492724630.

It is an arithmetic number, because the mean of its divisors is an integer number (492724630).

Almost surely, 2^985449259 is an apocalyptic number.

985449259 is a deficient number, since it is larger than the sum of its proper divisors (1).

985449259 is an equidigital number, since it uses as much as digits as its factorization.

985449259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4665600, while the sum is 55.

The square root of 985449259 is about 31391.8661280275. The cubic root of 985449259 is about 995.1260360701.

The spelling of 985449259 in words is "nine hundred eighty-five million, four hundred forty-nine thousand, two hundred fifty-nine".