260131237 has 2 divisors, whose sum is σ = 260131238. Its totient is φ = 260131236.

The previous prime is 260131187. The next prime is 260131241. The reversal of 260131237 is 732131062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169234081 + 90897156 = 13009^2 + 9534^2 .

It is a cyclic number.

It is not a de Polignac number, because 260131237 - 2¹⁵ = 260098469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260137237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130065618 + 130065619.

It is an arithmetic number, because the mean of its divisors is an integer number (130065619).

Almost surely, 2^260131237 is an apocalyptic number.

It is an amenable number.

260131237 is a deficient number, since it is larger than the sum of its proper divisors (1).

260131237 is an equidigital number, since it uses as much as digits as its factorization.

260131237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 260131237 is about 16128.5844698163. The cubic root of 260131237 is about 638.3577990942.

Adding to 260131237 its reverse (732131062), we get a palindrome (992262299).

The spelling of 260131237 in words is "two hundred sixty million, one hundred thirty-one thousand, two hundred thirty-seven".