85305452 has 6 divisors (see below), whose sum is σ = 149284548. Its totient is φ = 42652724.

The previous prime is 85305449. The next prime is 85305457. The reversal of 85305452 is 25450358.

It is not an unprimeable number, because it can be changed into a prime (85305457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10663178 + ... + 10663185.

It is an arithmetic number, because the mean of its divisors is an integer number (24880758).

Almost surely, 2^85305452 is an apocalyptic number.

It is an amenable number.

85305452 is a deficient number, since it is larger than the sum of its proper divisors (63979096).

85305452 is a wasteful number, since it uses less digits than its factorization.

85305452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21326367 (or 21326365 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 85305452 is about 9236.0950623085. The cubic root of 85305452 is about 440.2090122679.

The spelling of 85305452 in words is "eighty-five million, three hundred five thousand, four hundred fifty-two".