261038327 has 4 divisors (see below), whose sum is σ = 284769096. Its totient is φ = 237307560.

The previous prime is 261038299. The next prime is 261038333. The reversal of 261038327 is 723830162.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 261038327 - 2¹⁰ = 261037303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 261038293 and 261038302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261038347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11865368 + ... + 11865389.

It is an arithmetic number, because the mean of its divisors is an integer number (71192274).

Almost surely, 2^261038327 is an apocalyptic number.

261038327 is a deficient number, since it is larger than the sum of its proper divisors (23730769).

261038327 is a wasteful number, since it uses less digits than its factorization.

261038327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23730768.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 261038327 is about 16156.6805687307. The cubic root of 261038327 is about 639.0989329767.

Adding to 261038327 its reverse (723830162), we get a palindrome (984868489).

The spelling of 261038327 in words is "two hundred sixty-one million, thirty-eight thousand, three hundred twenty-seven".