201085465 has 16 divisors (see below), whose sum is σ = 281404800. Its totient is φ = 137886000.

The previous prime is 201085457. The next prime is 201085513. The reversal of 201085465 is 564580102.

It is not a de Polignac number, because 201085465 - 2³ = 201085457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56911 + ... + 60340.

It is an arithmetic number, because the mean of its divisors is an integer number (17587800).

Almost surely, 2^201085465 is an apocalyptic number.

It is an amenable number.

201085465 is a deficient number, since it is larger than the sum of its proper divisors (80319335).

201085465 is an equidigital number, since it uses as much as digits as its factorization.

201085465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117277 (or 117263 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 201085465 is about 14180.4606765789. The cubic root of 201085465 is about 585.8596123765.

The spelling of 201085465 in words is "two hundred one million, eighty-five thousand, four hundred sixty-five".