82990543 has 2 divisors, whose sum is σ = 82990544. Its totient is φ = 82990542.

The previous prime is 82990507. The next prime is 82990571. The reversal of 82990543 is 34509928.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82990543 - 2¹³ = 82982351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82990496 and 82990505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82990573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41495271 + 41495272.

It is an arithmetic number, because the mean of its divisors is an integer number (41495272).

Almost surely, 2^82990543 is an apocalyptic number.

82990543 is a deficient number, since it is larger than the sum of its proper divisors (1).

82990543 is an equidigital number, since it uses as much as digits as its factorization.

82990543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 82990543 is about 9109.9145440558. The cubic root of 82990543 is about 436.1904994069.

The spelling of 82990543 in words is "eighty-two million, nine hundred ninety thousand, five hundred forty-three".