260412091 has 2 divisors, whose sum is σ = 260412092. Its totient is φ = 260412090.

The previous prime is 260412079. The next prime is 260412143. The reversal of 260412091 is 190214062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260412091 - 2⁹ = 260411579 is a prime.

It is not a weakly prime, because it can be changed into another prime (260412011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130206045 + 130206046.

It is an arithmetic number, because the mean of its divisors is an integer number (130206046).

Almost surely, 2^260412091 is an apocalyptic number.

260412091 is a deficient number, since it is larger than the sum of its proper divisors (1).

260412091 is an equidigital number, since it uses as much as digits as its factorization.

260412091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 260412091 is about 16137.2888367284. The cubic root of 260412091 is about 638.5874535044.

The spelling of 260412091 in words is "two hundred sixty million, four hundred twelve thousand, ninety-one".