704987953 has 2 divisors, whose sum is σ = 704987954. Its totient is φ = 704987952.

The previous prime is 704987939. The next prime is 704987971. The reversal of 704987953 is 359789407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 486775969 + 218211984 = 22063^2 + 14772^2 .

It is a cyclic number.

It is not a de Polignac number, because 704987953 - 2²⁹ = 168117041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 704987953.

It is not a weakly prime, because it can be changed into another prime (704987453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352493976 + 352493977.

It is an arithmetic number, because the mean of its divisors is an integer number (352493977).

Almost surely, 2^704987953 is an apocalyptic number.

It is an amenable number.

704987953 is a deficient number, since it is larger than the sum of its proper divisors (1).

704987953 is an equidigital number, since it uses as much as digits as its factorization.

704987953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The square root of 704987953 is about 26551.6092356000. The cubic root of 704987953 is about 890.0079757733.

The spelling of 704987953 in words is "seven hundred four million, nine hundred eighty-seven thousand, nine hundred fifty-three".