260406871 has 2 divisors, whose sum is σ = 260406872. Its totient is φ = 260406870.

The previous prime is 260406857. The next prime is 260406889. The reversal of 260406871 is 178604062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260406871 - 2⁹ = 260406359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260406821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130203435 + 130203436.

It is an arithmetic number, because the mean of its divisors is an integer number (130203436).

Almost surely, 2^260406871 is an apocalyptic number.

260406871 is a deficient number, since it is larger than the sum of its proper divisors (1).

260406871 is an equidigital number, since it uses as much as digits as its factorization.

260406871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 260406871 is about 16137.1270987125. The cubic root of 260406871 is about 638.5831866150.

The spelling of 260406871 in words is "two hundred sixty million, four hundred six thousand, eight hundred seventy-one".