200601261 has 12 divisors (see below), whose sum is σ = 331151392. Its totient is φ = 114629256.

The previous prime is 200601223. The next prime is 200601277. The reversal of 200601261 is 162106002.

It is a happy number.

200601261 is a `hidden beast` number, since 2 + 0 + 0 + 601 + 2 + 61 = 666.

It is not a de Polignac number, because 200601261 - 2¹⁰ = 200600237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200601281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1592011 + ... + 1592136.

Almost surely, 2^200601261 is an apocalyptic number.

200601261 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200601261 is a deficient number, since it is larger than the sum of its proper divisors (130550131).

200601261 is a wasteful number, since it uses less digits than its factorization.

200601261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184160 (or 3184157 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 200601261 is about 14163.3774573722. The cubic root of 200601261 is about 585.3889939670.

Adding to 200601261 its reverse (162106002), we get a palindrome (362707263).

It can be divided in two parts, 20060 and 1261, that added together give a triangular number (21321 = T₂₀₆).

The spelling of 200601261 in words is "two hundred million, six hundred one thousand, two hundred sixty-one".