705230553 has 4 divisors (see below), whose sum is σ = 940307408. Its totient is φ = 470153700.

The previous prime is 705230527. The next prime is 705230557. The reversal of 705230553 is 355032507.

705230553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 705230553 - 2⁶ = 705230489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 705230553.

It is not an unprimeable number, because it can be changed into a prime (705230557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117538423 + ... + 117538428.

It is an arithmetic number, because the mean of its divisors is an integer number (235076852).

Almost surely, 2^705230553 is an apocalyptic number.

It is an amenable number.

705230553 is a deficient number, since it is larger than the sum of its proper divisors (235076855).

705230553 is a wasteful number, since it uses less digits than its factorization.

705230553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235076854.

The product of its (nonzero) digits is 15750, while the sum is 30.

The square root of 705230553 is about 26556.1773039720. The cubic root of 705230553 is about 890.1100537222.

The spelling of 705230553 in words is "seven hundred five million, two hundred thirty thousand, five hundred fifty-three".