261130883 has 4 divisors (see below), whose sum is σ = 281217888. Its totient is φ = 241043880.

The previous prime is 261130843. The next prime is 261130901. The reversal of 261130883 is 388031162.

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 261130883 - 2¹⁰ = 261129859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (261130843) 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, 10043483 + ... + 10043508.

It is an arithmetic number, because the mean of its divisors is an integer number (70304472).

Almost surely, 2^261130883 is an apocalyptic number.

261130883 is a deficient number, since it is larger than the sum of its proper divisors (20087005).

261130883 is a wasteful number, since it uses less digits than its factorization.

261130883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20087004.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 261130883 is about 16159.5446408616. The cubic root of 261130883 is about 639.1744588605.

The spelling of 261130883 in words is "two hundred sixty-one million, one hundred thirty thousand, eight hundred eighty-three".