82813275 has 18 divisors (see below), whose sum is σ = 148328180. Its totient is φ = 44166960.

The previous prime is 82813259. The next prime is 82813277. The reversal of 82813275 is 57231828.

It is not a de Polignac number, because 82813275 - 2⁴ = 82813259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82813277) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 183805 + ... + 184254.

Almost surely, 2^82813275 is an apocalyptic number.

82813275 is a deficient number, since it is larger than the sum of its proper divisors (65514905).

82813275 is a wasteful number, since it uses less digits than its factorization.

82813275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368075 (or 368067 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 82813275 is about 9100.1799432758. The cubic root of 82813275 is about 435.8797100332.

The spelling of 82813275 in words is "eighty-two million, eight hundred thirteen thousand, two hundred seventy-five".