264870071 has 2 divisors, whose sum is σ = 264870072. Its totient is φ = 264870070.

The previous prime is 264870041. The next prime is 264870121. The reversal of 264870071 is 170078462.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264870071 - 2¹⁰ = 264869047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264870031) 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, 132435035 + 132435036.

It is an arithmetic number, because the mean of its divisors is an integer number (132435036).

Almost surely, 2^264870071 is an apocalyptic number.

264870071 is a deficient number, since it is larger than the sum of its proper divisors (1).

264870071 is an equidigital number, since it uses as much as digits as its factorization.

264870071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 264870071 is about 16274.8293693052. The cubic root of 264870071 is about 642.2108362822.

The spelling of 264870071 in words is "two hundred sixty-four million, eight hundred seventy thousand, seventy-one".