84305311 has 2 divisors, whose sum is σ = 84305312. Its totient is φ = 84305310.

The previous prime is 84305293. The next prime is 84305321. The reversal of 84305311 is 11350348.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84305311 - 2⁹ = 84304799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84305321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42152655 + 42152656.

It is an arithmetic number, because the mean of its divisors is an integer number (42152656).

Almost surely, 2^84305311 is an apocalyptic number.

84305311 is a deficient number, since it is larger than the sum of its proper divisors (1).

84305311 is an equidigital number, since it uses as much as digits as its factorization.

84305311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 84305311 is about 9181.7923631500. The cubic root of 84305311 is about 438.4818737694.

Adding to 84305311 its reverse (11350348), we get a palindrome (95655659).

The spelling of 84305311 in words is "eighty-four million, three hundred five thousand, three hundred eleven".