812055259 has 2 divisors, whose sum is σ = 812055260. Its totient is φ = 812055258.

The previous prime is 812055247. The next prime is 812055263. The reversal of 812055259 is 952550218.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 812055259 - 2¹⁹ = 811530971 is a prime.

It is not a weakly prime, because it can be changed into another prime (812055229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406027629 + 406027630.

It is an arithmetic number, because the mean of its divisors is an integer number (406027630).

Almost surely, 2^812055259 is an apocalyptic number.

812055259 is a deficient number, since it is larger than the sum of its proper divisors (1).

812055259 is an equidigital number, since it uses as much as digits as its factorization.

812055259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 812055259 is about 28496.5832864223. The cubic root of 812055259 is about 932.9575016436.

The spelling of 812055259 in words is "eight hundred twelve million, fifty-five thousand, two hundred fifty-nine".