261005792 has 24 divisors (see below), whose sum is σ = 516836376. Its totient is φ = 129745792.

The previous prime is 261005779. The next prime is 261005821. The reversal of 261005792 is 297500162.

261005792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18038 + ... + 29109.

It is an arithmetic number, because the mean of its divisors is an integer number (21534849).

Almost surely, 2^261005792 is an apocalyptic number.

It is an amenable number.

261005792 is a deficient number, since it is larger than the sum of its proper divisors (255830584).

261005792 is a wasteful number, since it uses less digits than its factorization.

261005792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47330 (or 47322 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 261005792 is about 16155.6736783088. The cubic root of 261005792 is about 639.0723801100.

The spelling of 261005792 in words is "two hundred sixty-one million, five thousand, seven hundred ninety-two".