755205361 has 3 divisors (see below), whose sum is σ = 755232843. Its totient is φ = 755177880.

The previous prime is 755205337. The next prime is 755205371. The reversal of 755205361 is 163502557.

The square root of 755205361 is 27481.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 727326961 + 27878400 = 26969^2 + 5280^2 .

It is not a de Polignac number, because 755205361 - 2⁷ = 755205233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (755205371) 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 in 2 ways as a sum of consecutive naturals, for example, 13741 + ... + 41221.

It is an arithmetic number, because the mean of its divisors is an integer number (251744281).

Almost surely, 2^755205361 is an apocalyptic number.

755205361 is the 27481-st square number.

755205361 is the 13741-st centered octagonal number.

It is an amenable number.

755205361 is a deficient number, since it is larger than the sum of its proper divisors (27482).

755205361 is an frugal number, since it uses more digits than its factorization.

755205361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54962 (or 27481 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 34.

The cubic root of 755205361 is about 910.6574008275.

It can be divided in two parts, 755 and 205361, that added together give a square (206116 = 454²).

The spelling of 755205361 in words is "seven hundred fifty-five million, two hundred five thousand, three hundred sixty-one".