565650994 has 4 divisors (see below), whose sum is σ = 848476494. Its totient is φ = 282825496.

The previous prime is 565650991. The next prime is 565651019. The reversal of 565650994 is 499056565.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 558707769 + 6943225 = 23637^2 + 2635^2 .

It is a super-2 number, since 2×565650994² = 639922094026376072, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (565650991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141412747 + ... + 141412750.

Almost surely, 2^565650994 is an apocalyptic number.

565650994 is a deficient number, since it is larger than the sum of its proper divisors (282825500).

565650994 is a wasteful number, since it uses less digits than its factorization.

565650994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282825499.

The product of its (nonzero) digits is 1458000, while the sum is 49.

The square root of 565650994 is about 23783.4184674954. The cubic root of 565650994 is about 827.0203286085.

The spelling of 565650994 in words is "five hundred sixty-five million, six hundred fifty thousand, nine hundred ninety-four".