85622413 has 8 divisors (see below), whose sum is σ = 88968600. Its totient is φ = 82302528.

The previous prime is 85622389. The next prime is 85622419. The reversal of 85622413 is 31422658.

It can be written as a sum of positive squares in 4 ways, for example, as 36929929 + 48692484 = 6077^2 + 6978^2 .

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 85622413 - 2²¹ = 83525261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85622419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195 + ... + 13087.

It is an arithmetic number, because the mean of its divisors is an integer number (11121075).

Almost surely, 2^85622413 is an apocalyptic number.

It is an amenable number.

85622413 is a deficient number, since it is larger than the sum of its proper divisors (3346187).

85622413 is a wasteful number, since it uses less digits than its factorization.

85622413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13151.

The product of its digits is 11520, while the sum is 31.

The square root of 85622413 is about 9253.2379738122. The cubic root of 85622413 is about 440.7535520358.

The spelling of 85622413 in words is "eighty-five million, six hundred twenty-two thousand, four hundred thirteen".