85249452 has 24 divisors (see below), whose sum is σ = 202178032. Its totient is φ = 27950400.

The previous prime is 85249433. The next prime is 85249469. The reversal of 85249452 is 25494258.

It is a self number, because there is not a number n which added to its sum of digits gives 85249452.

It is an unprimeable number.

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, 57499 + ... + 58962.

Almost surely, 2^85249452 is an apocalyptic number.

It is an amenable number.

85249452 is an abundant number, since it is smaller than the sum of its proper divisors (116928580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85249452 is a wasteful number, since it uses less digits than its factorization.

85249452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116529 (or 116527 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 85249452 is about 9233.0629803982. The cubic root of 85249452 is about 440.1126639869.

The spelling of 85249452 in words is "eighty-five million, two hundred forty-nine thousand, four hundred fifty-two".