1892725 has 6 divisors (see below), whose sum is σ = 2347010. Its totient is φ = 1514160.

The previous prime is 1892719. The next prime is 1892749. The reversal of 1892725 is 5272981.

It can be written as a sum of positive squares in 3 ways, for example, as 357604 + 1535121 = 598^2 + 1239^2 .

It is not a de Polignac number, because 1892725 - 2¹¹ = 1890677 is a prime.

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

1892725 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37830 + ... + 37879.

2^1892725 is an apocalyptic number.

It is an amenable number.

1892725 is a deficient number, since it is larger than the sum of its proper divisors (454285).

1892725 is an equidigital number, since it uses as much as digits as its factorization.

1892725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75719 (or 75714 counting only the distinct ones).

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

The square root of 1892725 is about 1375.7634244302. The cubic root of 1892725 is about 123.6979511074.

The spelling of 1892725 in words is "one million, eight hundred ninety-two thousand, seven hundred twenty-five".