261326714 has 64 divisors (see below), whose sum is σ = 465454080. Its totient is φ = 108864000.

The previous prime is 261326711. The next prime is 261326719. The reversal of 261326714 is 417623162.

It is not an unprimeable number, because it can be changed into a prime (261326711) 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 31 ways as a sum of consecutive naturals, for example, 1443704 + ... + 1443884.

It is an arithmetic number, because the mean of its divisors is an integer number (7272720).

Almost surely, 2^261326714 is an apocalyptic number.

261326714 is a deficient number, since it is larger than the sum of its proper divisors (204127366).

261326714 is a wasteful number, since it uses less digits than its factorization.

261326714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327.

The product of its digits is 12096, while the sum is 32.

The square root of 261326714 is about 16165.6028034837. The cubic root of 261326714 is about 639.3341985476.

Adding to 261326714 its reverse (417623162), we get a palindrome (678949876).

The spelling of 261326714 in words is "two hundred sixty-one million, three hundred twenty-six thousand, seven hundred fourteen".