261272327 has 2 divisors, whose sum is σ = 261272328. Its totient is φ = 261272326.

The previous prime is 261272299. The next prime is 261272357. The reversal of 261272327 is 723272162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 261272327 - 2¹⁰ = 261271303 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 261272293 and 261272302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (261272357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130636163 + 130636164.

It is an arithmetic number, because the mean of its divisors is an integer number (130636164).

Almost surely, 2^261272327 is an apocalyptic number.

261272327 is a deficient number, since it is larger than the sum of its proper divisors (1).

261272327 is an equidigital number, since it uses as much as digits as its factorization.

261272327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 32.

The square root of 261272327 is about 16163.9205330885. The cubic root of 261272327 is about 639.2898429834.

The spelling of 261272327 in words is "two hundred sixty-one million, two hundred seventy-two thousand, three hundred twenty-seven".