261332203 has 8 divisors (see below), whose sum is σ = 285358320. Its totient is φ = 237350880.

The previous prime is 261332191. The next prime is 261332219. The reversal of 261332203 is 302233162.

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 261332203 - 2¹⁷ = 261201131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (261332273) 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, 1653 + ... + 22921.

It is an arithmetic number, because the mean of its divisors is an integer number (35669790).

Almost surely, 2^261332203 is an apocalyptic number.

261332203 is a deficient number, since it is larger than the sum of its proper divisors (24026117).

261332203 is a wasteful number, since it uses less digits than its factorization.

261332203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22397.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 261332203 is about 16165.7725766510. The cubic root of 261332203 is about 639.3386747845.

Adding to 261332203 its reverse (302233162), we get a palindrome (563565365).

The spelling of 261332203 in words is "two hundred sixty-one million, three hundred thirty-two thousand, two hundred three".