564774245 has 24 divisors (see below), whose sum is σ = 790021368. Its totient is φ = 386467200.

The previous prime is 564774241. The next prime is 564774251. The reversal of 564774245 is 542477465.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 164814244 + 399960001 = 12838^2 + 19999^2 .

It is not a de Polignac number, because 564774245 - 2² = 564774241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 564774196 and 564774205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564774241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130415 + ... + 134675.

It is an arithmetic number, because the mean of its divisors is an integer number (32917557).

Almost surely, 2^564774245 is an apocalyptic number.

It is an amenable number.

564774245 is a deficient number, since it is larger than the sum of its proper divisors (225247123).

564774245 is a wasteful number, since it uses less digits than its factorization.

564774245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821 (or 4814 counting only the distinct ones).

The product of its digits is 940800, while the sum is 44.

The square root of 564774245 is about 23764.9793814344. The cubic root of 564774245 is about 826.5928187118.

The spelling of 564774245 in words is "five hundred sixty-four million, seven hundred seventy-four thousand, two hundred forty-five".