260316251 has 4 divisors (see below), whose sum is σ = 280340592. Its totient is φ = 240291912.

The previous prime is 260316247. The next prime is 260316293. The reversal of 260316251 is 152613062.

260316251 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 260316251 - 2² = 260316247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 260316251.

It is not an unprimeable number, because it can be changed into a prime (260316211) 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, 10012151 + ... + 10012176.

It is an arithmetic number, because the mean of its divisors is an integer number (70085148).

Almost surely, 2^260316251 is an apocalyptic number.

260316251 is a deficient number, since it is larger than the sum of its proper divisors (20024341).

260316251 is a wasteful number, since it uses less digits than its factorization.

260316251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20024340.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 260316251 is about 16134.3190435791. The cubic root of 260316251 is about 638.5091036718.

The spelling of 260316251 in words is "two hundred sixty million, three hundred sixteen thousand, two hundred fifty-one".