565454245 has 4 divisors (see below), whose sum is σ = 678545100. Its totient is φ = 452363392.

The previous prime is 565454243. The next prime is 565454261. The reversal of 565454245 is 542454565.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542454565 = 5 ⋅108490913.

It can be written as a sum of positive squares in 2 ways, for example, as 353402401 + 212051844 = 18799^2 + 14562^2 .

It is a cyclic number.

It is not a de Polignac number, because 565454245 - 2¹ = 565454243 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 565454198 and 565454207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565454243) 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 3 ways as a sum of consecutive naturals, for example, 56545420 + ... + 56545429.

It is an arithmetic number, because the mean of its divisors is an integer number (169636275).

Almost surely, 2^565454245 is an apocalyptic number.

It is an amenable number.

565454245 is a deficient number, since it is larger than the sum of its proper divisors (113090855).

565454245 is a wasteful number, since it uses less digits than its factorization.

565454245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113090854.

The product of its digits is 480000, while the sum is 40.

The square root of 565454245 is about 23779.2818436554. The cubic root of 565454245 is about 826.9244306705.

The spelling of 565454245 in words is "five hundred sixty-five million, four hundred fifty-four thousand, two hundred forty-five".