814115233 has 4 divisors (see below), whose sum is σ = 814385988. Its totient is φ = 813844480.

The previous prime is 814115219. The next prime is 814115251. The reversal of 814115233 is 332511418.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 458302464 + 355812769 = 21408^2 + 18863^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-814115233 is a prime.

It is a super-2 number, since 2×814115233² = 1325567225205288578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (814115833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130816 + ... + 136897.

It is an arithmetic number, because the mean of its divisors is an integer number (203596497).

Almost surely, 2^814115233 is an apocalyptic number.

It is an amenable number.

814115233 is a deficient number, since it is larger than the sum of its proper divisors (270755).

814115233 is a wasteful number, since it uses less digits than its factorization.

814115233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270754.

The product of its digits is 2880, while the sum is 28.

The square root of 814115233 is about 28532.7046211886. The cubic root of 814115233 is about 933.7457260769.

The spelling of 814115233 in words is "eight hundred fourteen million, one hundred fifteen thousand, two hundred thirty-three".