564246149 has 2 divisors, whose sum is σ = 564246150. Its totient is φ = 564246148.

The previous prime is 564246131. The next prime is 564246161. The reversal of 564246149 is 941642465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 514473124 + 49773025 = 22682^2 + 7055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564246149 is a prime.

It is a super-2 number, since 2×564246149² = 636747433322660402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564246169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282123074 + 282123075.

It is an arithmetic number, because the mean of its divisors is an integer number (282123075).

Almost surely, 2^564246149 is an apocalyptic number.

It is an amenable number.

564246149 is a deficient number, since it is larger than the sum of its proper divisors (1).

564246149 is an equidigital number, since it uses as much as digits as its factorization.

564246149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 41.

The square root of 564246149 is about 23753.8659800884. The cubic root of 564246149 is about 826.3351012887.

The spelling of 564246149 in words is "five hundred sixty-four million, two hundred forty-six thousand, one hundred forty-nine".