565345481 has 4 divisors (see below), whose sum is σ = 583582464. Its totient is φ = 547108500.

The previous prime is 565345477. The next prime is 565345483. The reversal of 565345481 is 184543565.

565345481 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, and also an emirpimes, since its reverse is a distinct semiprime: 184543565 = 5 ⋅36908713.

It is a cyclic number.

It is not a de Polignac number, because 565345481 - 2² = 565345477 is a prime.

It is a super-2 number, since 2×565345481² = 639231025774242722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (565345483) 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, 9118445 + ... + 9118506.

It is an arithmetic number, because the mean of its divisors is an integer number (145895616).

Almost surely, 2^565345481 is an apocalyptic number.

It is an amenable number.

565345481 is a deficient number, since it is larger than the sum of its proper divisors (18236983).

565345481 is a wasteful number, since it uses less digits than its factorization.

565345481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18236982.

The product of its digits is 288000, while the sum is 41.

The square root of 565345481 is about 23776.9947848756. The cubic root of 565345481 is about 826.8714081806.

The spelling of 565345481 in words is "five hundred sixty-five million, three hundred forty-five thousand, four hundred eighty-one".