82530207 has 6 divisors (see below), whose sum is σ = 119210312. Its totient is φ = 55020132.

The previous prime is 82530197. The next prime is 82530229. The reversal of 82530207 is 70203528.

It is not a de Polignac number, because 82530207 - 2⁷ = 82530079 is a prime.

It is a super-2 number, since 2×82530207² = 13622470134925698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82530247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4585003 + ... + 4585020.

Almost surely, 2^82530207 is an apocalyptic number.

82530207 is a deficient number, since it is larger than the sum of its proper divisors (36680105).

82530207 is a wasteful number, since it uses less digits than its factorization.

82530207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9170029 (or 9170026 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 82530207 is about 9084.6137507326. The cubic root of 82530207 is about 435.3825093672.

The spelling of 82530207 in words is "eighty-two million, five hundred thirty thousand, two hundred seven".