260711434 has 4 divisors (see below), whose sum is σ = 391067154. Its totient is φ = 130355716.

The previous prime is 260711393. The next prime is 260711449. The reversal of 260711434 is 434117062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434117062 = 2 ⋅217058531.

It can be written as a sum of positive squares in only one way, i.e., 157628025 + 103083409 = 12555^2 + 10153^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65177857 + ... + 65177860.

Almost surely, 2^260711434 is an apocalyptic number.

260711434 is a deficient number, since it is larger than the sum of its proper divisors (130355720).

260711434 is a wasteful number, since it uses less digits than its factorization.

260711434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130355719.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 260711434 is about 16146.5610580086. The cubic root of 260711434 is about 638.8320446643.

Adding to 260711434 its reverse (434117062), we get a palindrome (694828496).

It can be divided in two parts, 2607 and 11434, that added together give a palindrome (14041).

The spelling of 260711434 in words is "two hundred sixty million, seven hundred eleven thousand, four hundred thirty-four".