260545331 has 2 divisors, whose sum is σ = 260545332. Its totient is φ = 260545330.

The previous prime is 260545319. The next prime is 260545333. The reversal of 260545331 is 133545062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260545331 - 2¹⁸ = 260283187 is a prime.

It is a super-2 number, since 2×260545331² = 135767739011799122, which contains 22 as substring.

Together with 260545333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 260545294 and 260545303.

It is not a weakly prime, because it can be changed into another prime (260545333) 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, 130272665 + 130272666.

It is an arithmetic number, because the mean of its divisors is an integer number (130272666).

Almost surely, 2^260545331 is an apocalyptic number.

260545331 is a deficient number, since it is larger than the sum of its proper divisors (1).

260545331 is an equidigital number, since it uses as much as digits as its factorization.

260545331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 260545331 is about 16141.4166354753. The cubic root of 260545331 is about 638.6963461507.

The spelling of 260545331 in words is "two hundred sixty million, five hundred forty-five thousand, three hundred thirty-one".