85293491 has 4 divisors (see below), whose sum is σ = 85316400. Its totient is φ = 85270584.

The previous prime is 85293469. The next prime is 85293497. The reversal of 85293491 is 19439258.

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

It is a cyclic number.

It is not a de Polignac number, because 85293491 - 2⁶ = 85293427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85293497) 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, 4436 + ... + 13793.

It is an arithmetic number, because the mean of its divisors is an integer number (21329100).

Almost surely, 2^85293491 is an apocalyptic number.

85293491 is a deficient number, since it is larger than the sum of its proper divisors (22909).

85293491 is a wasteful number, since it uses less digits than its factorization.

85293491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22908.

The product of its digits is 77760, while the sum is 41.

The square root of 85293491 is about 9235.4475257023. The cubic root of 85293491 is about 440.1884368494.

The spelling of 85293491 in words is "eighty-five million, two hundred ninety-three thousand, four hundred ninety-one".