85901233 has 4 divisors (see below), whose sum is σ = 93710448. Its totient is φ = 78092020.

The previous prime is 85901209. The next prime is 85901243. The reversal of 85901233 is 33210958.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85901233 - 2⁵ = 85901201 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85901195 and 85901204.

It is not an unprimeable number, because it can be changed into a prime (85901243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3904591 + ... + 3904612.

It is an arithmetic number, because the mean of its divisors is an integer number (23427612).

Almost surely, 2^85901233 is an apocalyptic number.

It is an amenable number.

85901233 is a deficient number, since it is larger than the sum of its proper divisors (7809215).

85901233 is a wasteful number, since it uses less digits than its factorization.

85901233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7809214.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 85901233 is about 9268.2918059371. The cubic root of 85901233 is about 441.2314555360.

The spelling of 85901233 in words is "eighty-five million, nine hundred one thousand, two hundred thirty-three".