82294543 has 4 divisors (see below), whose sum is σ = 82770408. Its totient is φ = 81818680.

The previous prime is 82294523. The next prime is 82294607. The reversal of 82294543 is 34549228.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 82294543 - 2²¹ = 80197391 is a prime.

It is a super-4 number, since 4×82294543⁴ (a number of 33 digits) contains 4444 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 (82294523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237673 + ... + 238018.

It is an arithmetic number, because the mean of its divisors is an integer number (20692602).

Almost surely, 2^82294543 is an apocalyptic number.

82294543 is a deficient number, since it is larger than the sum of its proper divisors (475865).

82294543 is a wasteful number, since it uses less digits than its factorization.

82294543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475864.

The product of its digits is 69120, while the sum is 37.

The square root of 82294543 is about 9071.6339763022. The cubic root of 82294543 is about 434.9677044769.

The spelling of 82294543 in words is "eighty-two million, two hundred ninety-four thousand, five hundred forty-three".