260663131 has 2 divisors, whose sum is σ = 260663132. Its totient is φ = 260663130.

The previous prime is 260663101. The next prime is 260663149. The reversal of 260663131 is 131366062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260663131 - 2⁵ = 260663099 is a prime.

It is a super-2 number, since 2×260663131² = 135890535725446322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 260663131.

It is not a weakly prime, because it can be changed into another prime (260663101) 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, 130331565 + 130331566.

It is an arithmetic number, because the mean of its divisors is an integer number (130331566).

Almost surely, 2^260663131 is an apocalyptic number.

260663131 is a deficient number, since it is larger than the sum of its proper divisors (1).

260663131 is an equidigital number, since it uses as much as digits as its factorization.

260663131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 260663131 is about 16145.0652212990. The cubic root of 260663131 is about 638.7925892791.

The spelling of 260663131 in words is "two hundred sixty million, six hundred sixty-three thousand, one hundred thirty-one".