85371452 has 24 divisors (see below), whose sum is σ = 152386080. Its totient is φ = 41837760.

The previous prime is 85371439. The next prime is 85371457. The reversal of 85371452 is 25417358.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85371457) 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 in 7 ways as a sum of consecutive naturals, for example, 106718 + ... + 107514.

It is an arithmetic number, because the mean of its divisors is an integer number (6349420).

Almost surely, 2^85371452 is an apocalyptic number.

It is an amenable number.

85371452 is a deficient number, since it is larger than the sum of its proper divisors (67014628).

85371452 is a wasteful number, since it uses less digits than its factorization.

85371452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301 (or 1299 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 85371452 is about 9239.6673100280. The cubic root of 85371452 is about 440.3225114815.

The spelling of 85371452 in words is "eighty-five million, three hundred seventy-one thousand, four hundred fifty-two".