566487601 has 3 divisors (see below), whose sum is σ = 566511403. Its totient is φ = 566463800.

The previous prime is 566487587. The next prime is 566487619. The reversal of 566487601 is 106784665.

It is a happy number.

The square root of 566487601 is 23801.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 424401201 + 142086400 = 20601^2 + 11920^2 .

It is not a de Polignac number, because 566487601 - 2¹¹ = 566485553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (566487661) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11901 + ... + 35701.

Almost surely, 2^566487601 is an apocalyptic number.

566487601 is the 23801-st square number.

566487601 is the 11901-st centered octagonal number.

It is an amenable number.

566487601 is a deficient number, since it is larger than the sum of its proper divisors (23802).

566487601 is an frugal number, since it uses more digits than its factorization.

566487601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47602 (or 23801 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The cubic root of 566487601 is about 827.4278532585.

The spelling of 566487601 in words is "five hundred sixty-six million, four hundred eighty-seven thousand, six hundred one".