85362581 has 4 divisors (see below), whose sum is σ = 86443200. Its totient is φ = 84281964.

The previous prime is 85362539. The next prime is 85362617. The reversal of 85362581 is 18526358.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18526358 = 2 ⋅9263179.

It is a cyclic number.

It is not a de Polignac number, because 85362581 - 2⁶ = 85362517 is a prime.

It is a super-2 number, since 2×85362581² = 14573540469963122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85362521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540191 + ... + 540348.

It is an arithmetic number, because the mean of its divisors is an integer number (21610800).

Almost surely, 2^85362581 is an apocalyptic number.

It is an amenable number.

85362581 is a deficient number, since it is larger than the sum of its proper divisors (1080619).

85362581 is a wasteful number, since it uses less digits than its factorization.

85362581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080618.

The product of its digits is 57600, while the sum is 38.

The square root of 85362581 is about 9239.1872478049. The cubic root of 85362581 is about 440.3072595590.

The spelling of 85362581 in words is "eighty-five million, three hundred sixty-two thousand, five hundred eighty-one".