566241787 has 2 divisors, whose sum is σ = 566241788. Its totient is φ = 566241786.

The previous prime is 566241773. The next prime is 566241799. The reversal of 566241787 is 787142665.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-566241787 is a prime.

It is a super-2 number, since 2×566241787² = 641259522689906738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (566211787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283120893 + 283120894.

It is an arithmetic number, because the mean of its divisors is an integer number (283120894).

Almost surely, 2^566241787 is an apocalyptic number.

566241787 is a deficient number, since it is larger than the sum of its proper divisors (1).

566241787 is an equidigital number, since it uses as much as digits as its factorization.

566241787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 46.

The square root of 566241787 is about 23795.8354969940. The cubic root of 566241787 is about 827.3081549772.

The spelling of 566241787 in words is "five hundred sixty-six million, two hundred forty-one thousand, seven hundred eighty-seven".