1845725 has 24 divisors (see below), whose sum is σ = 2678400. Its totient is φ = 1235520.

The previous prime is 1845721. The next prime is 1845731. The reversal of 1845725 is 5275481.

It is not a de Polignac number, because 1845725 - 2² = 1845721 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1845691 and 1845700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1845721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9176 + ... + 9374.

It is an arithmetic number, because the mean of its divisors is an integer number (111600).

2^1845725 is an apocalyptic number.

It is an amenable number.

1845725 is a deficient number, since it is larger than the sum of its proper divisors (832675).

1845725 is a wasteful number, since it uses less digits than its factorization.

1845725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 264 counting only the distinct ones).

The product of its digits is 11200, while the sum is 32.

The square root of 1845725 is about 1358.5746206963. The cubic root of 1845725 is about 122.6654712326.

The spelling of 1845725 in words is "one million, eight hundred forty-five thousand, seven hundred twenty-five".