981725 has 12 divisors (see below), whose sum is σ = 1232064. Its totient is φ = 775920.

The previous prime is 981713. The next prime is 981731. The reversal of 981725 is 527189.

It is not a de Polignac number, because 981725 - 2¹² = 977629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 981691 and 981700.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 981725.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2492 + ... + 2858.

It is an arithmetic number, because the mean of its divisors is an integer number (102672).

2⁹⁸¹⁷²⁵ is an apocalyptic number.

It is an amenable number.

981725 is a deficient number, since it is larger than the sum of its proper divisors (250339).

981725 is a wasteful number, since it uses less digits than its factorization.

981725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 479 counting only the distinct ones).

The product of its digits is 5040, while the sum is 32.

The square root of 981725 is about 990.8203671706. The cubic root of 981725 is about 99.3870843525.

The spelling of 981725 in words is "nine hundred eighty-one thousand, seven hundred twenty-five".