85461565 has 8 divisors (see below), whose sum is σ = 117204480. Its totient is φ = 58602192.

The previous prime is 85461553. The next prime is 85461577. The reversal of 85461565 is 56516458.

It is an interprime number because it is at equal distance from previous prime (85461553) and next prime (85461577).

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 85461565 - 2⁷ = 85461437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220845 + ... + 1220914.

It is an arithmetic number, because the mean of its divisors is an integer number (14650560).

Almost surely, 2^85461565 is an apocalyptic number.

It is an amenable number.

85461565 is a deficient number, since it is larger than the sum of its proper divisors (31742915).

85461565 is a wasteful number, since it uses less digits than its factorization.

85461565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441771.

The product of its digits is 144000, while the sum is 40.

The square root of 85461565 is about 9244.5424440585. The cubic root of 85461565 is about 440.4773830413.

The spelling of 85461565 in words is "eighty-five million, four hundred sixty-one thousand, five hundred sixty-five".