85452565 has 16 divisors (see below), whose sum is σ = 112980096. Its totient is φ = 61528000.

The previous prime is 85452551. The next prime is 85452593. The reversal of 85452565 is 56525458.

85452565 is nontrivially palindromic in base 16.

It is a de Polignac number, because none of the positive numbers 2^k-85452565 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2137 + ... + 13246.

It is an arithmetic number, because the mean of its divisors is an integer number (7061256).

Almost surely, 2^85452565 is an apocalyptic number.

It is an amenable number.

85452565 is a deficient number, since it is larger than the sum of its proper divisors (27527531).

85452565 is a wasteful number, since it uses less digits than its factorization.

85452565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15500.

The product of its digits is 240000, while the sum is 40.

The square root of 85452565 is about 9244.0556575564. The cubic root of 85452565 is about 440.4619202009.

The spelling of 85452565 in words is "eighty-five million, four hundred fifty-two thousand, five hundred sixty-five".