200261 has 4 divisors (see below), whose sum is σ = 208992. Its totient is φ = 191532.

The previous prime is 200257. The next prime is 200273. The reversal of 200261 is 162002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 162002 = 2 ⋅81001.

It is a cyclic number.

It is not a de Polignac number, because 200261 - 2² = 200257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4331 + ... + 4376.

It is an arithmetic number, because the mean of its divisors is an integer number (52248).

2²⁰⁰²⁶¹ is an apocalyptic number.

It is an amenable number.

200261 is a deficient number, since it is larger than the sum of its proper divisors (8731).

200261 is an equidigital number, since it uses as much as digits as its factorization.

200261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8730.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 200261 is about 447.5053072311. The cubic root of 200261 is about 58.5057826607.

Adding to 200261 its reverse (162002), we get a palindrome (362263).

The spelling of 200261 in words is "two hundred thousand, two hundred sixty-one".