261316714 has 4 divisors (see below), whose sum is σ = 391975074. Its totient is φ = 130658356.

The previous prime is 261316711. The next prime is 261316721. The reversal of 261316714 is 417613162.

261316714 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 160655625 + 100661089 = 12675^2 + 10033^2 .

It is not an unprimeable number, because it can be changed into a prime (261316711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65329177 + ... + 65329180.

Almost surely, 2^261316714 is an apocalyptic number.

261316714 is a deficient number, since it is larger than the sum of its proper divisors (130658360).

261316714 is a wasteful number, since it uses less digits than its factorization.

261316714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130658359.

The product of its digits is 6048, while the sum is 31.

The square root of 261316714 is about 16165.2935018205. The cubic root of 261316714 is about 639.3260434641.

Adding to 261316714 its reverse (417613162), we get a palindrome (678929876).

The spelling of 261316714 in words is "two hundred sixty-one million, three hundred sixteen thousand, seven hundred fourteen".