260931055 has 24 divisors (see below), whose sum is σ = 393343776. Its totient is φ = 162655680.

The previous prime is 260931049. The next prime is 260931091. The reversal of 260931055 is 550139062.

It is not a de Polignac number, because 260931055 - 2⁵ = 260931023 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26572 + ... + 35041.

It is an arithmetic number, because the mean of its divisors is an integer number (16389324).

Almost surely, 2^260931055 is an apocalyptic number.

260931055 is a deficient number, since it is larger than the sum of its proper divisors (132412721).

260931055 is a wasteful number, since it uses less digits than its factorization.

260931055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61647 (or 61636 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 260931055 is about 16153.3604862889. The cubic root of 260931055 is about 639.0113764676.

The spelling of 260931055 in words is "two hundred sixty million, nine hundred thirty-one thousand, fifty-five".