260405051 has 16 divisors (see below), whose sum is σ = 281817600. Its totient is φ = 239835168.

The previous prime is 260405027. The next prime is 260405071. The reversal of 260405051 is 150504062.

It is a cyclic number.

It is not a de Polignac number, because 260405051 - 2⁶ = 260404987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260405071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144665 + ... + 146453.

It is an arithmetic number, because the mean of its divisors is an integer number (17613600).

Almost surely, 2^260405051 is an apocalyptic number.

260405051 is a deficient number, since it is larger than the sum of its proper divisors (21412549).

260405051 is a wasteful number, since it uses less digits than its factorization.

260405051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 260405051 is about 16137.0707069158. The cubic root of 260405051 is about 638.5816989122.

The spelling of 260405051 in words is "two hundred sixty million, four hundred five thousand, fifty-one".