260144251 has 16 divisors (see below), whose sum is σ = 278964000. Its totient is φ = 241740288.

The previous prime is 260144233. The next prime is 260144279. The reversal of 260144251 is 152441062.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 260144251 - 2¹¹ = 260142203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260144351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 745225 + ... + 745573.

It is an arithmetic number, because the mean of its divisors is an integer number (17435250).

Almost surely, 2^260144251 is an apocalyptic number.

260144251 is a deficient number, since it is larger than the sum of its proper divisors (18819749).

260144251 is a wasteful number, since it uses less digits than its factorization.

260144251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 260144251 is about 16128.9879099713. The cubic root of 260144251 is about 638.3684442977.

The spelling of 260144251 in words is "two hundred sixty million, one hundred forty-four thousand, two hundred fifty-one".