1850725 has 12 divisors (see below), whose sum is σ = 2313220. Its totient is φ = 1468800.

The previous prime is 1850701. The next prime is 1850749. The reversal of 1850725 is 5270581.

It is an interprime number because it is at equal distance from previous prime (1850701) and next prime (1850749).

It can be written as a sum of positive squares in 6 ways, for example, as 103041 + 1747684 = 321^2 + 1322^2 .

It is not a de Polignac number, because 1850725 - 2¹¹ = 1848677 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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

1850725 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1850693 and 1850702.

It is a congruent number.

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, 4321 + ... + 4729.

2^1850725 is an apocalyptic number.

It is an amenable number.

1850725 is a deficient number, since it is larger than the sum of its proper divisors (462495).

1850725 is a wasteful number, since it uses less digits than its factorization.

1850725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 1850725 is about 1360.4135400679. The cubic root of 1850725 is about 122.7761367545.

The spelling of 1850725 in words is "one million, eight hundred fifty thousand, seven hundred twenty-five".