261330014 has 16 divisors (see below), whose sum is σ = 428722416. Its totient is φ = 118483200.

The previous prime is 261329993. The next prime is 261330019. The reversal of 261330014 is 410033162.

261330014 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261330019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6227 + ... + 23694.

It is an arithmetic number, because the mean of its divisors is an integer number (26795151).

Almost surely, 2^261330014 is an apocalyptic number.

261330014 is a deficient number, since it is larger than the sum of its proper divisors (167392402).

261330014 is a wasteful number, since it uses less digits than its factorization.

261330014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30331.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 261330014 is about 16165.7048717339. The cubic root of 261330014 is about 639.3368896795.

Adding to 261330014 its reverse (410033162), we get a palindrome (671363176).

The spelling of 261330014 in words is "two hundred sixty-one million, three hundred thirty thousand, fourteen".