260738447 has 2 divisors, whose sum is σ = 260738448. Its totient is φ = 260738446.

The previous prime is 260738399. The next prime is 260738459. The reversal of 260738447 is 744837062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260738447 - 2⁶ = 260738383 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260737447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130369223 + 130369224.

It is an arithmetic number, because the mean of its divisors is an integer number (130369224).

Almost surely, 2^260738447 is an apocalyptic number.

260738447 is a deficient number, since it is larger than the sum of its proper divisors (1).

260738447 is an equidigital number, since it uses as much as digits as its factorization.

260738447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 260738447 is about 16147.3975302524. The cubic root of 260738447 is about 638.8541075939.

The spelling of 260738447 in words is "two hundred sixty million, seven hundred thirty-eight thousand, four hundred forty-seven".