264694973 has 2 divisors, whose sum is σ = 264694974. Its totient is φ = 264694972.

The previous prime is 264694967. The next prime is 264694987. The reversal of 264694973 is 379496462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259757689 + 4937284 = 16117^2 + 2222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264694973 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264694933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132347486 + 132347487.

It is an arithmetic number, because the mean of its divisors is an integer number (132347487).

Almost surely, 2^264694973 is an apocalyptic number.

It is an amenable number.

264694973 is a deficient number, since it is larger than the sum of its proper divisors (1).

264694973 is an equidigital number, since it uses as much as digits as its factorization.

264694973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 50.

The square root of 264694973 is about 16269.4490687300. The cubic root of 264694973 is about 642.0692893710.

The spelling of 264694973 in words is "two hundred sixty-four million, six hundred ninety-four thousand, nine hundred seventy-three".