564077945 has 4 divisors (see below), whose sum is σ = 676893540. Its totient is φ = 451262352.

The previous prime is 564077923. The next prime is 564077971. The reversal of 564077945 is 549770465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 549770465 = 5 ⋅109954093.

It can be written as a sum of positive squares in 2 ways, for example, as 414651769 + 149426176 = 20363^2 + 12224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564077945 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 564077945.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56407790 + ... + 56407799.

It is an arithmetic number, because the mean of its divisors is an integer number (169223385).

Almost surely, 2^564077945 is an apocalyptic number.

It is an amenable number.

564077945 is a deficient number, since it is larger than the sum of its proper divisors (112815595).

564077945 is a wasteful number, since it uses less digits than its factorization.

564077945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112815594.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The square root of 564077945 is about 23750.3251556689. The cubic root of 564077945 is about 826.2529818784.

The spelling of 564077945 in words is "five hundred sixty-four million, seventy-seven thousand, nine hundred forty-five".