261086083 has 4 divisors (see below), whose sum is σ = 261118440. Its totient is φ = 261053728.

The previous prime is 261086047. The next prime is 261086117. The reversal of 261086083 is 380680162.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 261086083 - 2⁹ = 261085571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (261086983) 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, 6888 + ... + 23866.

It is an arithmetic number, because the mean of its divisors is an integer number (65279610).

Almost surely, 2^261086083 is an apocalyptic number.

261086083 is a deficient number, since it is larger than the sum of its proper divisors (32357).

261086083 is a wasteful number, since it uses less digits than its factorization.

261086083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32356.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 261086083 is about 16158.1584037291. The cubic root of 261086083 is about 639.1379041985.

The spelling of 261086083 in words is "two hundred sixty-one million, eighty-six thousand, eighty-three".