261055283 has 8 divisors (see below), whose sum is σ = 263850480. Its totient is φ = 258266880.

The previous prime is 261055271. The next prime is 261055321. The reversal of 261055283 is 382550162.

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 261055283 - 2⁶ = 261055219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (261058283) 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 7 ways as a sum of consecutive naturals, for example, 119723 + ... + 121883.

It is an arithmetic number, because the mean of its divisors is an integer number (32981310).

Almost surely, 2^261055283 is an apocalyptic number.

261055283 is a deficient number, since it is larger than the sum of its proper divisors (2795197).

261055283 is a wasteful number, since it uses less digits than its factorization.

261055283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3397.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 261055283 is about 16157.2052967090. The cubic root of 261055283 is about 639.1127704427.

The spelling of 261055283 in words is "two hundred sixty-one million, fifty-five thousand, two hundred eighty-three".