201687411 has 8 divisors (see below), whose sum is σ = 273325264. Its totient is φ = 132253920.

The previous prime is 201687401. The next prime is 201687463. The reversal of 201687411 is 114786102.

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

It is not a de Polignac number, because 201687411 - 2¹⁸ = 201425267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201687401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550876 + ... + 551241.

It is an arithmetic number, because the mean of its divisors is an integer number (34165658).

Almost surely, 2^201687411 is an apocalyptic number.

201687411 is a deficient number, since it is larger than the sum of its proper divisors (71637853).

201687411 is a wasteful number, since it uses less digits than its factorization.

201687411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102181.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 201687411 is about 14201.6693032897. The cubic root of 201687411 is about 586.4436170342.

The spelling of 201687411 in words is "two hundred one million, six hundred eighty-seven thousand, four hundred eleven".