260109897 has 4 divisors (see below), whose sum is σ = 346813200. Its totient is φ = 173406596.

The previous prime is 260109859. The next prime is 260109901. The reversal of 260109897 is 798901062.

260109897 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 260109897 - 2⁶ = 260109833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (260109827) 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, 43351647 + ... + 43351652.

It is an arithmetic number, because the mean of its divisors is an integer number (86703300).

Almost surely, 2^260109897 is an apocalyptic number.

It is an amenable number.

260109897 is a deficient number, since it is larger than the sum of its proper divisors (86703303).

260109897 is an equidigital number, since it uses as much as digits as its factorization.

260109897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86703302.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 260109897 is about 16127.9228978812. The cubic root of 260109897 is about 638.3403426133.

The spelling of 260109897 in words is "two hundred sixty million, one hundred nine thousand, eight hundred ninety-seven".