261083 has 4 divisors (see below), whose sum is σ = 263208. Its totient is φ = 258960.

The previous prime is 261077. The next prime is 261089. The reversal of 261083 is 380162.

261083 = T₂₉₂ + T₂₉₃ + ... + T₂₉₇.

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

It is an interprime number because it is at equal distance from previous prime (261077) and next prime (261089).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-261083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (261089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866 + ... + 1127.

It is an arithmetic number, because the mean of its divisors is an integer number (65802).

2²⁶¹⁰⁸³ is an apocalyptic number.

261083 is a deficient number, since it is larger than the sum of its proper divisors (2125).

261083 is a wasteful number, since it uses less digits than its factorization.

261083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 261083 is about 510.9628166511. The cubic root of 261083 is about 63.9135388464.

The spelling of 261083 in words is "two hundred sixty-one thousand, eighty-three".