83266517 has 4 divisors (see below), whose sum is σ = 84030540. Its totient is φ = 82502496.

The previous prime is 83266507. The next prime is 83266543. The reversal of 83266517 is 71566238.

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 21659716 + 61606801 = 4654^2 + 7849^2 .

It is a cyclic number.

It is not a de Polignac number, because 83266517 - 2¹⁸ = 83004373 is a prime.

It is a super-2 number, since 2×83266517² = 13866625706622578, 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 (83266507) 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, 381848 + ... + 382065.

It is an arithmetic number, because the mean of its divisors is an integer number (21007635).

Almost surely, 2^83266517 is an apocalyptic number.

It is an amenable number.

83266517 is a deficient number, since it is larger than the sum of its proper divisors (764023).

83266517 is a wasteful number, since it uses less digits than its factorization.

83266517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764022.

The product of its digits is 60480, while the sum is 38.

The square root of 83266517 is about 9125.0488765814. The cubic root of 83266517 is about 436.6734622669.

The spelling of 83266517 in words is "eighty-three million, two hundred sixty-six thousand, five hundred seventeen".