264975983 has 2 divisors, whose sum is σ = 264975984. Its totient is φ = 264975982.

The previous prime is 264975979. The next prime is 264976001. The reversal of 264975983 is 389579462.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264975983 - 2² = 264975979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264975913) 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, 132487991 + 132487992.

It is an arithmetic number, because the mean of its divisors is an integer number (132487992).

Almost surely, 2^264975983 is an apocalyptic number.

264975983 is a deficient number, since it is larger than the sum of its proper divisors (1).

264975983 is an equidigital number, since it uses as much as digits as its factorization.

264975983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 53.

The square root of 264975983 is about 16278.0829030940. The cubic root of 264975983 is about 642.2964238684.

The spelling of 264975983 in words is "two hundred sixty-four million, nine hundred seventy-five thousand, nine hundred eighty-three".