85254566 has 4 divisors (see below), whose sum is σ = 127881852. Its totient is φ = 42627282.

The previous prime is 85254553. The next prime is 85254571. The reversal of 85254566 is 66545258.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21313640 + ... + 21313643.

It is an arithmetic number, because the mean of its divisors is an integer number (31970463).

Almost surely, 2^85254566 is an apocalyptic number.

85254566 is a deficient number, since it is larger than the sum of its proper divisors (42627286).

85254566 is a wasteful number, since it uses less digits than its factorization.

85254566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42627285.

The product of its digits is 288000, while the sum is 41.

The square root of 85254566 is about 9233.3399157618. The cubic root of 85254566 is about 440.1214643999.

The spelling of 85254566 in words is "eighty-five million, two hundred fifty-four thousand, five hundred sixty-six".