261255114 has 36 divisors (see below), whose sum is σ = 591755346. Its totient is φ = 83295696.

The previous prime is 261255097. The next prime is 261255119. The reversal of 261255114 is 411552162.

261255114 is a `hidden beast` number, since 26 + 125 + 511 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 220077225 + 41177889 = 14835^2 + 6417^2 .

It is not an unprimeable number, because it can be changed into a prime (261255119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4197 + ... + 23240.

Almost surely, 2^261255114 is an apocalyptic number.

261255114 is an abundant number, since it is smaller than the sum of its proper divisors (330500232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

261255114 is a wasteful number, since it uses less digits than its factorization.

261255114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27491 (or 27465 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 261255114 is about 16163.3880730495. The cubic root of 261255114 is about 639.2758035609.

The spelling of 261255114 in words is "two hundred sixty-one million, two hundred fifty-five thousand, one hundred fourteen".