260491151 has 2 divisors, whose sum is σ = 260491152. Its totient is φ = 260491150.

The previous prime is 260491139. The next prime is 260491177. The reversal of 260491151 is 151194062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260491151 - 2⁶ = 260491087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260491111) 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 as a sum of consecutive naturals, namely, 130245575 + 130245576.

It is an arithmetic number, because the mean of its divisors is an integer number (130245576).

Almost surely, 2^260491151 is an apocalyptic number.

260491151 is a deficient number, since it is larger than the sum of its proper divisors (1).

260491151 is an equidigital number, since it uses as much as digits as its factorization.

260491151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 260491151 is about 16139.7382568615. The cubic root of 260491151 is about 638.6520711080.

The spelling of 260491151 in words is "two hundred sixty million, four hundred ninety-one thousand, one hundred fifty-one".