85288061 has 4 divisors (see below), whose sum is σ = 86315712. Its totient is φ = 84260412.

The previous prime is 85288039. The next prime is 85288081. The reversal of 85288061 is 16088258.

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 85288061 - 2²⁶ = 18179197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85288081) 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, 513701 + ... + 513866.

It is an arithmetic number, because the mean of its divisors is an integer number (21578928).

Almost surely, 2^85288061 is an apocalyptic number.

It is an amenable number.

85288061 is a deficient number, since it is larger than the sum of its proper divisors (1027651).

85288061 is a wasteful number, since it uses less digits than its factorization.

85288061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027650.

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 85288061 is about 9235.1535450148. The cubic root of 85288061 is about 440.1790954804.

The spelling of 85288061 in words is "eighty-five million, two hundred eighty-eight thousand, sixty-one".