84164533 has 2 divisors, whose sum is σ = 84164534. Its totient is φ = 84164532.

The previous prime is 84164497. The next prime is 84164537. The reversal of 84164533 is 33546148.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64112049 + 20052484 = 8007^2 + 4478^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84164533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84164537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42082266 + 42082267.

It is an arithmetic number, because the mean of its divisors is an integer number (42082267).

Almost surely, 2^84164533 is an apocalyptic number.

It is an amenable number.

84164533 is a deficient number, since it is larger than the sum of its proper divisors (1).

84164533 is an equidigital number, since it uses as much as digits as its factorization.

84164533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 34.

The square root of 84164533 is about 9174.1230098577. The cubic root of 84164533 is about 438.2376701253.

The spelling of 84164533 in words is "eighty-four million, one hundred sixty-four thousand, five hundred thirty-three".