814873 has 2 divisors, whose sum is σ = 814874. Its totient is φ = 814872.

The previous prime is 814859. The next prime is 814883. The reversal of 814873 is 378418.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 797449 + 17424 = 893^2 + 132^2 .

It is a cyclic number.

It is not a de Polignac number, because 814873 - 2⁵ = 814841 is a prime.

It is a super-2 number, since 2×814873² = 1328036012258, which contains 22 as substring.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (814823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407436 + 407437.

It is an arithmetic number, because the mean of its divisors is an integer number (407437).

2⁸¹⁴⁸⁷³ is an apocalyptic number.

It is an amenable number.

814873 is a deficient number, since it is larger than the sum of its proper divisors (1).

814873 is an equidigital number, since it uses as much as digits as its factorization.

814873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 31.

The square root of 814873 is about 902.7031627285. The cubic root of 814873 is about 93.4035342032.

The spelling of 814873 in words is "eight hundred fourteen thousand, eight hundred seventy-three".