705535121 has 2 divisors, whose sum is σ = 705535122. Its totient is φ = 705535120.

The previous prime is 705535079. The next prime is 705535133. The reversal of 705535121 is 121535507.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 705486721 + 48400 = 26561^2 + 220^2 .

It is an emirp because it is prime and its reverse (121535507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 705535121 - 2⁶ = 705535057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (705535021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352767560 + 352767561.

It is an arithmetic number, because the mean of its divisors is an integer number (352767561).

Almost surely, 2^705535121 is an apocalyptic number.

It is an amenable number.

705535121 is a deficient number, since it is larger than the sum of its proper divisors (1).

705535121 is an equidigital number, since it uses as much as digits as its factorization.

705535121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 705535121 is about 26561.9110946483. The cubic root of 705535121 is about 890.2381725908.

The spelling of 705535121 in words is "seven hundred five million, five hundred thirty-five thousand, one hundred twenty-one".