201487 has 8 divisors (see below), whose sum is σ = 236880. Its totient is φ = 168960.

The previous prime is 201473. The next prime is 201491. The reversal of 201487 is 784102.

201487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 201487 - 2⁷ = 201359 is a prime.

It is a super-2 number, since 2×201487² = 81194022338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562 + ... + 847.

It is an arithmetic number, because the mean of its divisors is an integer number (29610).

2²⁰¹⁴⁸⁷ is an apocalyptic number.

201487 is a deficient number, since it is larger than the sum of its proper divisors (35393).

201487 is a wasteful number, since it uses less digits than its factorization.

201487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 201487 is about 448.8730332733. The cubic root of 201487 is about 58.6249308589.

Adding to 201487 its reverse (784102), we get a palindrome (985589).

The spelling of 201487 in words is "two hundred one thousand, four hundred eighty-seven".