85245715 has 4 divisors (see below), whose sum is σ = 102294864. Its totient is φ = 68196568.

The previous prime is 85245709. The next prime is 85245749. The reversal of 85245715 is 51754258.

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 85245715 - 2⁹ = 85245203 is a prime.

It is a super-2 number, since 2×85245715² = 14533663851722450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8524567 + ... + 8524576.

It is an arithmetic number, because the mean of its divisors is an integer number (25573716).

Almost surely, 2^85245715 is an apocalyptic number.

85245715 is a deficient number, since it is larger than the sum of its proper divisors (17049149).

85245715 is a wasteful number, since it uses less digits than its factorization.

85245715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17049148.

The product of its digits is 56000, while the sum is 37.

The square root of 85245715 is about 9232.8606076340. The cubic root of 85245715 is about 440.1062329580.

The spelling of 85245715 in words is "eighty-five million, two hundred forty-five thousand, seven hundred fifteen".