565345729 has 27 divisors (see below), whose sum is σ = 643466979. Its totient is φ = 496463760.

The previous prime is 565345723. The next prime is 565345769. The reversal of 565345729 is 927543565.

The square root of 565345729 is 23777.

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

565345729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 83631025 + 481714704 = 9145^2 + 21948^2 .

It is not a de Polignac number, because 565345729 - 2³ = 565345721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (565345721) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 9582102 + ... + 9582160.

Almost surely, 2^565345729 is an apocalyptic number.

565345729 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

565345729 is the 23777-th square number.

565345729 is the 11889-th centered octagonal number.

It is an amenable number.

565345729 is a deficient number, since it is larger than the sum of its proper divisors (78121250).

565345729 is an equidigital number, since it uses as much as digits as its factorization.

565345729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 103 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 46.

The cubic root of 565345729 is about 826.8715290884.

The spelling of 565345729 in words is "five hundred sixty-five million, three hundred forty-five thousand, seven hundred twenty-nine".