265746947 has 2 divisors, whose sum is σ = 265746948. Its totient is φ = 265746946.

The previous prime is 265746889. The next prime is 265746961. The reversal of 265746947 is 749647562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265746947 - 2¹⁰ = 265745923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 265746895 and 265746904.

It is not a weakly prime, because it can be changed into another prime (265746967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132873473 + 132873474.

It is an arithmetic number, because the mean of its divisors is an integer number (132873474).

Almost surely, 2^265746947 is an apocalyptic number.

265746947 is a deficient number, since it is larger than the sum of its proper divisors (1).

265746947 is an equidigital number, since it uses as much as digits as its factorization.

265746947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 50.

The square root of 265746947 is about 16301.7467468980. The cubic root of 265746947 is about 642.9187544030.

The spelling of 265746947 in words is "two hundred sixty-five million, seven hundred forty-six thousand, nine hundred forty-seven".