260321963 has 4 divisors (see below), whose sum is σ = 283987608. Its totient is φ = 236656320.

The previous prime is 260321917. The next prime is 260321977. The reversal of 260321963 is 369123062.

260321963 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 is a cyclic number.

It is not a de Polignac number, because 260321963 - 2¹⁰ = 260320939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260321903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11832806 + ... + 11832827.

It is an arithmetic number, because the mean of its divisors is an integer number (70996902).

Almost surely, 2^260321963 is an apocalyptic number.

260321963 is a deficient number, since it is larger than the sum of its proper divisors (23665645).

260321963 is a wasteful number, since it uses less digits than its factorization.

260321963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23665644.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 260321963 is about 16134.4960565863. The cubic root of 260321963 is about 638.5137738084.

It can be divided in two parts, 260 and 321963, that added together give a palindrome (322223).

The spelling of 260321963 in words is "two hundred sixty million, three hundred twenty-one thousand, nine hundred sixty-three".