260320506 has 16 divisors (see below), whose sum is σ = 527974848. Its totient is φ = 85551200.

The previous prime is 260320481. The next prime is 260320513. The reversal of 260320506 is 605023062.

260320506 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305115 + ... + 305966.

It is an arithmetic number, because the mean of its divisors is an integer number (32998428).

Almost surely, 2^260320506 is an apocalyptic number.

260320506 is an abundant number, since it is smaller than the sum of its proper divisors (267654342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260320506 is a wasteful number, since it uses less digits than its factorization.

260320506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611157.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 260320506 is about 16134.4509048185. The cubic root of 260320506 is about 638.5125825703.

Adding to 260320506 its reverse (605023062), we get a palindrome (865343568).

The spelling of 260320506 in words is "two hundred sixty million, three hundred twenty thousand, five hundred six".