260564131 has 2 divisors, whose sum is σ = 260564132. Its totient is φ = 260564130.

The previous prime is 260564113. The next prime is 260564149. The reversal of 260564131 is 131465062.

Together with previous prime (260564113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (260564113) and next prime (260564149).

It is a cyclic number.

It is not a de Polignac number, because 260564131 - 2¹¹ = 260562083 is a prime.

It is a super-2 number, since 2×260564131² = 135787332727570322, 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 260564131.

It is not a weakly prime, because it can be changed into another prime (260561131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130282065 + 130282066.

It is an arithmetic number, because the mean of its divisors is an integer number (130282066).

Almost surely, 2^260564131 is an apocalyptic number.

260564131 is a deficient number, since it is larger than the sum of its proper divisors (1).

260564131 is an equidigital number, since it uses as much as digits as its factorization.

260564131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 260564131 is about 16141.9989778218. The cubic root of 260564131 is about 638.7117077801.

The spelling of 260564131 in words is "two hundred sixty million, five hundred sixty-four thousand, one hundred thirty-one".