1814725 has 12 divisors (see below), whose sum is σ = 2455200. Its totient is φ = 1319600.

The previous prime is 1814719. The next prime is 1814737. The reversal of 1814725 is 5274181.

It is not a de Polignac number, because 1814725 - 2⁵ = 1814693 is a prime.

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

1814725 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1814693 and 1814702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3025 + ... + 3574.

It is an arithmetic number, because the mean of its divisors is an integer number (204600).

2^1814725 is an apocalyptic number.

It is an amenable number.

1814725 is a deficient number, since it is larger than the sum of its proper divisors (640475).

1814725 is a wasteful number, since it uses less digits than its factorization.

1814725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6620 (or 6615 counting only the distinct ones).

The product of its digits is 2240, while the sum is 28.

The square root of 1814725 is about 1347.1172925919. The cubic root of 1814725 is about 121.9748447643.

It can be divided in two parts, 1 and 814725, that added together give a triangular number (814726 = T₁₂₇₆).

The spelling of 1814725 in words is "one million, eight hundred fourteen thousand, seven hundred twenty-five".