201043685 has 8 divisors (see below), whose sum is σ = 242316576. Its totient is φ = 160125520.

The previous prime is 201043673. The next prime is 201043699. The reversal of 201043685 is 586340102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201043685 - 2⁴ = 201043669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87431 + ... + 89700.

It is an arithmetic number, because the mean of its divisors is an integer number (30289572).

Almost surely, 2^201043685 is an apocalyptic number.

It is an amenable number.

201043685 is a deficient number, since it is larger than the sum of its proper divisors (41272891).

201043685 is a wasteful number, since it uses less digits than its factorization.

201043685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177363.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 201043685 is about 14178.9874462177. The cubic root of 201043685 is about 585.8190344228.

Adding to 201043685 its reverse (586340102), we get a palindrome (787383787).

The spelling of 201043685 in words is "two hundred one million, forty-three thousand, six hundred eighty-five".