85253591 has 8 divisors (see below), whose sum is σ = 89105520. Its totient is φ = 81462528.

The previous prime is 85253573. The next prime is 85253599. The reversal of 85253591 is 19535258.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85253591 - 2⁶ = 85253527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85253599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12341 + ... + 17966.

It is an arithmetic number, because the mean of its divisors is an integer number (11138190).

Almost surely, 2^85253591 is an apocalyptic number.

85253591 is a deficient number, since it is larger than the sum of its proper divisors (3851929).

85253591 is a wasteful number, since it uses less digits than its factorization.

85253591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30433.

The product of its digits is 54000, while the sum is 38.

The square root of 85253591 is about 9233.2871178145. The cubic root of 85253591 is about 440.1197866009.

The spelling of 85253591 in words is "eighty-five million, two hundred fifty-three thousand, five hundred ninety-one".