260264999 has 2 divisors, whose sum is σ = 260265000. Its totient is φ = 260264998.

The previous prime is 260264909. The next prime is 260265001. The reversal of 260264999 is 999462062.

260264999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260264999 - 2⁸ = 260264743 is a prime.

Together with 260265001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260264909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130132499 + 130132500.

It is an arithmetic number, because the mean of its divisors is an integer number (130132500).

Almost surely, 2^260264999 is an apocalyptic number.

260264999 is a deficient number, since it is larger than the sum of its proper divisors (1).

260264999 is an equidigital number, since it uses as much as digits as its factorization.

260264999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 260264999 is about 16132.7306740056. The cubic root of 260264999 is about 638.4671969317.

The spelling of 260264999 in words is "two hundred sixty million, two hundred sixty-four thousand, nine hundred ninety-nine".