85394953 has 4 divisors (see below), whose sum is σ = 97594240. Its totient is φ = 73195668.

The previous prime is 85394941. The next prime is 85394983. The reversal of 85394953 is 35949358.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35949358 = 2 ⋅17974679.

It is not a de Polignac number, because 85394953 - 2⁵ = 85394921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85394983) 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, 6099633 + ... + 6099646.

It is an arithmetic number, because the mean of its divisors is an integer number (24398560).

Almost surely, 2^85394953 is an apocalyptic number.

It is an amenable number.

85394953 is a deficient number, since it is larger than the sum of its proper divisors (12199287).

85394953 is a wasteful number, since it uses less digits than its factorization.

85394953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12199286.

The product of its digits is 583200, while the sum is 46.

The square root of 85394953 is about 9240.9389674426. The cubic root of 85394953 is about 440.3629116766.

The spelling of 85394953 in words is "eighty-five million, three hundred ninety-four thousand, nine hundred fifty-three".