261327 has 8 divisors (see below), whose sum is σ = 380160. Its totient is φ = 158360.

The previous prime is 261323. The next prime is 261329. The reversal of 261327 is 723162.

It is a happy number.

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 261327 - 2² = 261323 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261323) 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, 3927 + ... + 3992.

It is an arithmetic number, because the mean of its divisors is an integer number (47520).

2²⁶¹³²⁷ is an apocalyptic number.

261327 is a deficient number, since it is larger than the sum of its proper divisors (118833).

261327 is a wasteful number, since it uses less digits than its factorization.

261327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7933.

The product of its digits is 504, while the sum is 21.

The square root of 261327 is about 511.2015258193. The cubic root of 261327 is about 63.9334431780.

Adding to 261327 its reverse (723162), we get a palindrome (984489).

The spelling of 261327 in words is "two hundred sixty-one thousand, three hundred twenty-seven".