85273524 has 54 divisors (see below), whose sum is σ = 250749954. Its totient is φ = 24363360.

The previous prime is 85273523. The next prime is 85273583. The reversal of 85273524 is 42537258.

It can be written as a sum of positive squares in only one way, i.e., 81540900 + 3732624 = 9030^2 + 1932^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85273523) 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 17 ways as a sum of consecutive naturals, for example, 22407 + ... + 25934.

Almost surely, 2^85273524 is an apocalyptic number.

85273524 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

85273524 is an abundant number, since it is smaller than the sum of its proper divisors (165476430).

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

85273524 is a wasteful number, since it uses less digits than its factorization.

85273524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48365 (or 48353 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 85273524 is about 9234.3664644631. The cubic root of 85273524 is about 440.1540851525.

The spelling of 85273524 in words is "eighty-five million, two hundred seventy-three thousand, five hundred twenty-four".