85252717 has 4 divisors (see below), whose sum is σ = 93002976. Its totient is φ = 77502460.

The previous prime is 85252709. The next prime is 85252723. The reversal of 85252717 is 71725258.

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 85252717 - 2³ = 85252709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85252747) 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, 3875113 + ... + 3875134.

It is an arithmetic number, because the mean of its divisors is an integer number (23250744).

Almost surely, 2^85252717 is an apocalyptic number.

It is an amenable number.

85252717 is a deficient number, since it is larger than the sum of its proper divisors (7750259).

85252717 is a wasteful number, since it uses less digits than its factorization.

85252717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7750258.

The product of its digits is 39200, while the sum is 37.

The square root of 85252717 is about 9233.2397889365. The cubic root of 85252717 is about 440.1182825939.

The spelling of 85252717 in words is "eighty-five million, two hundred fifty-two thousand, seven hundred seventeen".