260464081 has 2 divisors, whose sum is σ = 260464082. Its totient is φ = 260464080.

The previous prime is 260464063. The next prime is 260464091. The reversal of 260464081 is 180464062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158130625 + 102333456 = 12575^2 + 10116^2 .

It is a cyclic number.

It is not a de Polignac number, because 260464081 - 2¹³ = 260455889 is a prime.

It is a super-2 number, since 2×260464081² = 135683074982349122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (260464091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130232040 + 130232041.

It is an arithmetic number, because the mean of its divisors is an integer number (130232041).

Almost surely, 2^260464081 is an apocalyptic number.

It is an amenable number.

260464081 is a deficient number, since it is larger than the sum of its proper divisors (1).

260464081 is an equidigital number, since it uses as much as digits as its factorization.

260464081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 260464081 is about 16138.8996217214. The cubic root of 260464081 is about 638.6299476303.

The spelling of 260464081 in words is "two hundred sixty million, four hundred sixty-four thousand, eighty-one".