85530299 has 2 divisors, whose sum is σ = 85530300. Its totient is φ = 85530298.

The previous prime is 85530259. The next prime is 85530329. The reversal of 85530299 is 99203558.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85530299 - 2²⁰ = 84481723 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85530239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42765149 + 42765150.

It is an arithmetic number, because the mean of its divisors is an integer number (42765150).

Almost surely, 2^85530299 is an apocalyptic number.

85530299 is a deficient number, since it is larger than the sum of its proper divisors (1).

85530299 is an equidigital number, since it uses as much as digits as its factorization.

85530299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 85530299 is about 9248.2592416087. The cubic root of 85530299 is about 440.5954386821.

The spelling of 85530299 in words is "eighty-five million, five hundred thirty thousand, two hundred ninety-nine".