260711642 has 4 divisors (see below), whose sum is σ = 391067466. Its totient is φ = 130355820.

The previous prime is 260711593. The next prime is 260711663. The reversal of 260711642 is 246117062.

260711642 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, and also an emirpimes, since its reverse is a distinct semiprime: 246117062 = 2 ⋅123058531.

It can be written as a sum of positive squares in only one way, i.e., 146627881 + 114083761 = 12109^2 + 10681^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65177909 + ... + 65177912.

Almost surely, 2^260711642 is an apocalyptic number.

260711642 is a deficient number, since it is larger than the sum of its proper divisors (130355824).

260711642 is a wasteful number, since it uses less digits than its factorization.

260711642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130355823.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 260711642 is about 16146.5674990073. The cubic root of 260711642 is about 638.8322145546.

The spelling of 260711642 in words is "two hundred sixty million, seven hundred eleven thousand, six hundred forty-two".