971725 has 12 divisors (see below), whose sum is σ = 1232064. Its totient is φ = 759920.

The previous prime is 971723. The next prime is 971753. The reversal of 971725 is 527179.

It is not a de Polignac number, because 971725 - 2¹ = 971723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 762 + ... + 1588.

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

2⁹⁷¹⁷²⁵ is an apocalyptic number.

It is an amenable number.

971725 is a deficient number, since it is larger than the sum of its proper divisors (260339).

971725 is a wasteful number, since it uses less digits than its factorization.

971725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884 (or 879 counting only the distinct ones).

The product of its digits is 4410, while the sum is 31.

The square root of 971725 is about 985.7611272514. The cubic root of 971725 is about 99.0484747133.

The spelling of 971725 in words is "nine hundred seventy-one thousand, seven hundred twenty-five".