85370413 has 4 divisors (see below), whose sum is σ = 90392220. Its totient is φ = 80348608.

The previous prime is 85370407. The next prime is 85370419. The reversal of 85370413 is 31407358.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (85370407) and next prime (85370419).

It can be written as a sum of positive squares in 2 ways, for example, as 25431849 + 59938564 = 5043^2 + 7742^2 .

It is a cyclic number.

It is not a de Polignac number, because 85370413 - 2⁵ = 85370381 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 (85370419) 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, 2510878 + ... + 2510911.

It is an arithmetic number, because the mean of its divisors is an integer number (22598055).

Almost surely, 2^85370413 is an apocalyptic number.

It is an amenable number.

85370413 is a deficient number, since it is larger than the sum of its proper divisors (5021807).

85370413 is a wasteful number, since it uses less digits than its factorization.

85370413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5021806.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 85370413 is about 9239.6110848888. The cubic root of 85370413 is about 440.3207251820.

The spelling of 85370413 in words is "eighty-five million, three hundred seventy thousand, four hundred thirteen".