1813235 has 8 divisors (see below), whose sum is σ = 2188320. Its totient is φ = 1442304.

The previous prime is 1813223. The next prime is 1813277. The reversal of 1813235 is 5323181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1813235 - 2⁴ = 1813219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1813235.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26 + ... + 1904.

It is an arithmetic number, because the mean of its divisors is an integer number (273540).

2^1813235 is an apocalyptic number.

1813235 is a deficient number, since it is larger than the sum of its proper divisors (375085).

1813235 is a wasteful number, since it uses less digits than its factorization.

1813235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077.

The product of its digits is 720, while the sum is 23.

The square root of 1813235 is about 1346.5641462626. The cubic root of 1813235 is about 121.9414526926.

It can be divided in two parts, 1813 and 235, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 1813235 in words is "one million, eight hundred thirteen thousand, two hundred thirty-five".