85304533 has 2 divisors, whose sum is σ = 85304534. Its totient is φ = 85304532.

The previous prime is 85304489. The next prime is 85304543. The reversal of 85304533 is 33540358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49028004 + 36276529 = 7002^2 + 6023^2 .

It is a cyclic number.

It is not a de Polignac number, because 85304533 - 2²¹ = 83207381 is a prime.

It is equal to p_4960327 and since 85304533 and 4960327 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 85304495 and 85304504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85304543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42652266 + 42652267.

It is an arithmetic number, because the mean of its divisors is an integer number (42652267).

Almost surely, 2^85304533 is an apocalyptic number.

It is an amenable number.

85304533 is a deficient number, since it is larger than the sum of its proper divisors (1).

85304533 is an equidigital number, since it uses as much as digits as its factorization.

85304533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 85304533 is about 9236.0453117122. The cubic root of 85304533 is about 440.2074314641.

The spelling of 85304533 in words is "eighty-five million, three hundred four thousand, five hundred thirty-three".