1982725 has 6 divisors (see below), whose sum is σ = 2458610. Its totient is φ = 1586160.

The previous prime is 1982723. The next prime is 1982741. The reversal of 1982725 is 5272891.

It can be written as a sum of positive squares in 3 ways, for example, as 427716 + 1555009 = 654^2 + 1247^2 .

It is not a de Polignac number, because 1982725 - 2¹ = 1982723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39630 + ... + 39679.

2^1982725 is an apocalyptic number.

It is an amenable number.

1982725 is a deficient number, since it is larger than the sum of its proper divisors (475885).

1982725 is an equidigital number, since it uses as much as digits as its factorization.

1982725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79319 (or 79314 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 1982725 is about 1408.0926816087. The cubic root of 1982725 is about 125.6283032555.

The spelling of 1982725 in words is "one million, nine hundred eighty-two thousand, seven hundred twenty-five".