82264081 has 4 divisors (see below), whose sum is σ = 84270564. Its totient is φ = 80257600.

The previous prime is 82264057. The next prime is 82264087. The reversal of 82264081 is 18046228.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16329681 + 65934400 = 4041^2 + 8120^2 .

It is a cyclic number.

It is not a de Polignac number, because 82264081 - 2²¹ = 80166929 is a prime.

It is a super-2 number, since 2×82264081² = 13534758045549122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82264087) 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, 1003180 + ... + 1003261.

It is an arithmetic number, because the mean of its divisors is an integer number (21067641).

Almost surely, 2^82264081 is an apocalyptic number.

It is an amenable number.

82264081 is a deficient number, since it is larger than the sum of its proper divisors (2006483).

82264081 is a wasteful number, since it uses less digits than its factorization.

82264081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006482.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 82264081 is about 9069.9548510453. The cubic root of 82264081 is about 434.9140288992.

The spelling of 82264081 in words is "eighty-two million, two hundred sixty-four thousand, eighty-one".