85043201 has 2 divisors, whose sum is σ = 85043202. Its totient is φ = 85043200.

The previous prime is 85043191. The next prime is 85043209. The reversal of 85043201 is 10234058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84364225 + 678976 = 9185^2 + 824^2 .

It is a cyclic number.

It is not a de Polignac number, because 85043201 - 2¹⁴ = 85026817 is a prime.

It is not a weakly prime, because it can be changed into another prime (85043209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42521600 + 42521601.

It is an arithmetic number, because the mean of its divisors is an integer number (42521601).

Almost surely, 2^85043201 is an apocalyptic number.

It is an amenable number.

85043201 is a deficient number, since it is larger than the sum of its proper divisors (1).

85043201 is an equidigital number, since it uses as much as digits as its factorization.

85043201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 85043201 is about 9221.8870628522. The cubic root of 85043201 is about 439.7574437914.

Adding to 85043201 its reverse (10234058), we get a palindrome (95277259).

The spelling of 85043201 in words is "eighty-five million, forty-three thousand, two hundred one".