1818275 has 12 divisors (see below), whose sum is σ = 2271432. Its totient is φ = 1443840.

The previous prime is 1818241. The next prime is 1818277. The reversal of 1818275 is 5728181.

It is a happy number.

It is not a de Polignac number, because 1818275 - 2¹² = 1814179 is a prime.

It is a super-2 number, since 2×1818275² = 6612247951250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1818277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6284 + ... + 6566.

It is an arithmetic number, because the mean of its divisors is an integer number (189286).

2^1818275 is an apocalyptic number.

1818275 is a deficient number, since it is larger than the sum of its proper divisors (453157).

1818275 is a wasteful number, since it uses less digits than its factorization.

1818275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 545 counting only the distinct ones).

The product of its digits is 4480, while the sum is 32.

The square root of 1818275 is about 1348.4342772267. The cubic root of 1818275 is about 122.0543294706.

The spelling of 1818275 in words is "one million, eight hundred eighteen thousand, two hundred seventy-five".