85183537 has 4 divisors (see below), whose sum is σ = 85260916. Its totient is φ = 85106160.

The previous prime is 85183523. The next prime is 85183541. The reversal of 85183537 is 73538158.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19395216 + 65788321 = 4404^2 + 8111^2 .

It is a cyclic number.

It is not a de Polignac number, because 85183537 - 2¹⁹ = 84659249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85183537.

It is not an unprimeable number, because it can be changed into a prime (85183037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37014 + ... + 39247.

It is an arithmetic number, because the mean of its divisors is an integer number (21315229).

Almost surely, 2^85183537 is an apocalyptic number.

It is an amenable number.

85183537 is a deficient number, since it is larger than the sum of its proper divisors (77379).

85183537 is a wasteful number, since it uses less digits than its factorization.

85183537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77378.

The product of its digits is 100800, while the sum is 40.

The square root of 85183537 is about 9229.4927812963. The cubic root of 85183537 is about 439.9992028222. Note that the first 3 decimals are identical.

The spelling of 85183537 in words is "eighty-five million, one hundred eighty-three thousand, five hundred thirty-seven".