200901 has 8 divisors (see below), whose sum is σ = 270144. Its totient is φ = 132800.

The previous prime is 200899. The next prime is 200903. The reversal of 200901 is 109002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (200899) and next prime (200903).

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

It is a cyclic number.

It is not a de Polignac number, because 200901 - 2¹ = 200899 is a prime.

It is a super-2 number, since 2×200901² = 80722423602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301 + ... + 701.

It is an arithmetic number, because the mean of its divisors is an integer number (33768).

2²⁰⁰⁹⁰¹ is an apocalyptic number.

It is an amenable number.

200901 is a deficient number, since it is larger than the sum of its proper divisors (69243).

200901 is a wasteful number, since it uses less digits than its factorization.

200901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 200901 is about 448.2198121458. The cubic root of 200901 is about 58.5680412194.

Adding to 200901 its reverse (109002), we get a palindrome (309903).

The spelling of 200901 in words is "two hundred thousand, nine hundred one".