985425 has 24 divisors (see below), whose sum is σ = 1862976. Its totient is φ = 450240.

The previous prime is 985417. The next prime is 985433. The reversal of 985425 is 524589.

It is an interprime number because it is at equal distance from previous prime (985417) and next prime (985433).

It is not a de Polignac number, because 985425 - 2³ = 985417 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 985425.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 414 + ... + 1463.

It is an arithmetic number, because the mean of its divisors is an integer number (77624).

2⁹⁸⁵⁴²⁵ is an apocalyptic number.

It is an amenable number.

985425 is a deficient number, since it is larger than the sum of its proper divisors (877551).

985425 is a wasteful number, since it uses less digits than its factorization.

985425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897 (or 1892 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 985425 is about 992.6857508799. The cubic root of 985425 is about 99.5117870265.

The spelling of 985425 in words is "nine hundred eighty-five thousand, four hundred twenty-five".