260387297 has 4 divisors (see below), whose sum is σ = 260444160. Its totient is φ = 260330436.

The previous prime is 260387291. The next prime is 260387327. The reversal of 260387297 is 792783062.

260387297 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 260387297 - 2²⁶ = 193278433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260387291) 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, 20897 + ... + 30942.

It is an arithmetic number, because the mean of its divisors is an integer number (65111040).

Almost surely, 2^260387297 is an apocalyptic number.

It is an amenable number.

260387297 is a deficient number, since it is larger than the sum of its proper divisors (56863).

260387297 is an equidigital number, since it uses as much as digits as its factorization.

260387297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56862.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 260387297 is about 16136.5205977001. The cubic root of 260387297 is about 638.5671860893.

The spelling of 260387297 in words is "two hundred sixty million, three hundred eighty-seven thousand, two hundred ninety-seven".