816275 has 12 divisors (see below), whose sum is σ = 1025232. Its totient is φ = 644640.

The previous prime is 816271. The next prime is 816317. The reversal of 816275 is 572618.

816275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 816275 - 2² = 816271 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (816271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2417 + ... + 2733.

It is an arithmetic number, because the mean of its divisors is an integer number (85436).

2⁸¹⁶²⁷⁵ is an apocalyptic number.

816275 is a deficient number, since it is larger than the sum of its proper divisors (208957).

816275 is a wasteful number, since it uses less digits than its factorization.

816275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 425 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 816275 is about 903.4793854870. The cubic root of 816275 is about 93.4570708587.

The spelling of 816275 in words is "eight hundred sixteen thousand, two hundred seventy-five".