85214401 has 4 divisors (see below), whose sum is σ = 85304772. Its totient is φ = 85124032.

The previous prime is 85214399. The next prime is 85214417. The reversal of 85214401 is 10441258.

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

It can be written as a sum of positive squares in 2 ways, for example, as 69222400 + 15992001 = 8320^2 + 3999^2 .

It is a cyclic number.

It is not a de Polignac number, because 85214401 - 2¹ = 85214399 is a prime.

It is a super-2 number, since 2×85214401² = 14522988275577602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85214491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43756 + ... + 45661.

It is an arithmetic number, because the mean of its divisors is an integer number (21326193).

Almost surely, 2^85214401 is an apocalyptic number.

It is an amenable number.

85214401 is a deficient number, since it is larger than the sum of its proper divisors (90371).

85214401 is an equidigital number, since it uses as much as digits as its factorization.

85214401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90370.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 85214401 is about 9231.1646610815. The cubic root of 85214401 is about 440.0523370939.

Adding to 85214401 its reverse (10441258), we get a palindrome (95655659).

The spelling of 85214401 in words is "eighty-five million, two hundred fourteen thousand, four hundred one".