566240501 has 2 divisors, whose sum is σ = 566240502. Its totient is φ = 566240500.

The previous prime is 566240431. The next prime is 566240509. The reversal of 566240501 is 105042665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 492795601 + 73444900 = 22199^2 + 8570^2 .

It is a cyclic number.

It is not a de Polignac number, because 566240501 - 2¹⁰ = 566239477 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (566240509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283120250 + 283120251.

It is an arithmetic number, because the mean of its divisors is an integer number (283120251).

Almost surely, 2^566240501 is an apocalyptic number.

It is an amenable number.

566240501 is a deficient number, since it is larger than the sum of its proper divisors (1).

566240501 is an equidigital number, since it uses as much as digits as its factorization.

566240501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 566240501 is about 23795.8084754437. The cubic root of 566240501 is about 827.3075286729.

The spelling of 566240501 in words is "five hundred sixty-six million, two hundred forty thousand, five hundred one".