261247314 has 16 divisors (see below), whose sum is σ = 528790752. Its totient is φ = 86033088.

The previous prime is 261247267. The next prime is 261247331. The reversal of 261247314 is 413742162.

261247314 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261799 + ... + 262794.

It is an arithmetic number, because the mean of its divisors is an integer number (33049422).

Almost surely, 2^261247314 is an apocalyptic number.

261247314 is an abundant number, since it is smaller than the sum of its proper divisors (267543438).

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

261247314 is a wasteful number, since it uses less digits than its factorization.

261247314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524681.

The product of its digits is 8064, while the sum is 30.

The square root of 261247314 is about 16163.1467852024. The cubic root of 261247314 is about 639.2694414515.

Adding to 261247314 its reverse (413742162), we get a palindrome (674989476).

The spelling of 261247314 in words is "two hundred sixty-one million, two hundred forty-seven thousand, three hundred fourteen".