985276529 has 2 divisors, whose sum is σ = 985276530. Its totient is φ = 985276528.

The previous prime is 985276511. The next prime is 985276561. The reversal of 985276529 is 925672589.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 963978304 + 21298225 = 31048^2 + 4615^2 .

It is an emirp because it is prime and its reverse (925672589) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 985276529 - 2⁸ = 985276273 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (985276129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492638264 + 492638265.

It is an arithmetic number, because the mean of its divisors is an integer number (492638265).

Almost surely, 2^985276529 is an apocalyptic number.

It is an amenable number.

985276529 is a deficient number, since it is larger than the sum of its proper divisors (1).

985276529 is an equidigital number, since it uses as much as digits as its factorization.

985276529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 53.

The square root of 985276529 is about 31389.1148170827. The cubic root of 985276529 is about 995.0678906228.

The spelling of 985276529 in words is "nine hundred eighty-five million, two hundred seventy-six thousand, five hundred twenty-nine".