85901201 has 2 divisors, whose sum is σ = 85901202. Its totient is φ = 85901200.

The previous prime is 85901197. The next prime is 85901209. The reversal of 85901201 is 10210958.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85082176 + 819025 = 9224^2 + 905^2 .

It is a cyclic number.

It is not a de Polignac number, because 85901201 - 2² = 85901197 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85901209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42950600 + 42950601.

It is an arithmetic number, because the mean of its divisors is an integer number (42950601).

Almost surely, 2^85901201 is an apocalyptic number.

It is an amenable number.

85901201 is a deficient number, since it is larger than the sum of its proper divisors (1).

85901201 is an equidigital number, since it uses as much as digits as its factorization.

85901201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 85901201 is about 9268.2900796209. The cubic root of 85901201 is about 441.2314007467.

The spelling of 85901201 in words is "eighty-five million, nine hundred one thousand, two hundred one".