84034259 has 2 divisors, whose sum is σ = 84034260. Its totient is φ = 84034258.

The previous prime is 84034253. The next prime is 84034267. The reversal of 84034259 is 95243048.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84034259 is a prime.

It is not a weakly prime, because it can be changed into another prime (84034253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42017129 + 42017130.

It is an arithmetic number, because the mean of its divisors is an integer number (42017130).

Almost surely, 2^84034259 is an apocalyptic number.

84034259 is a deficient number, since it is larger than the sum of its proper divisors (1).

84034259 is an equidigital number, since it uses as much as digits as its factorization.

84034259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 84034259 is about 9167.0201810621. The cubic root of 84034259 is about 438.0114447640.

The spelling of 84034259 in words is "eighty-four million, thirty-four thousand, two hundred fifty-nine".