84043313 has 2 divisors, whose sum is σ = 84043314. Its totient is φ = 84043312.

The previous prime is 84043303. The next prime is 84043343. The reversal of 84043313 is 31334048.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81126049 + 2917264 = 9007^2 + 1708^2 .

It is a cyclic number.

It is not a de Polignac number, because 84043313 - 2⁶ = 84043249 is a prime.

It is not a weakly prime, because it can be changed into another prime (84043303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42021656 + 42021657.

It is an arithmetic number, because the mean of its divisors is an integer number (42021657).

Almost surely, 2^84043313 is an apocalyptic number.

It is an amenable number.

84043313 is a deficient number, since it is larger than the sum of its proper divisors (1).

84043313 is an equidigital number, since it uses as much as digits as its factorization.

84043313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 84043313 is about 9167.5140032617. The cubic root of 84043313 is about 438.0271749088.

The spelling of 84043313 in words is "eighty-four million, forty-three thousand, three hundred thirteen".