812032411 has 4 divisors (see below), whose sum is σ = 847338192. Its totient is φ = 776726632.

The previous prime is 812032379. The next prime is 812032447. The reversal of 812032411 is 114230218.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 812032411 - 2⁵ = 812032379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (812032211) 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, 17652856 + ... + 17652901.

It is an arithmetic number, because the mean of its divisors is an integer number (211834548).

Almost surely, 2^812032411 is an apocalyptic number.

812032411 is a deficient number, since it is larger than the sum of its proper divisors (35305781).

812032411 is a wasteful number, since it uses less digits than its factorization.

812032411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35305780.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 812032411 is about 28496.1823934365. The cubic root of 812032411 is about 932.9487516591.

Adding to 812032411 its reverse (114230218), we get a palindrome (926262629).

The spelling of 812032411 in words is "eight hundred twelve million, thirty-two thousand, four hundred eleven".