42297061 has 2 divisors, whose sum is σ = 42297062. Its totient is φ = 42297060.

The previous prime is 42297019. The next prime is 42297067. The reversal of 42297061 is 16079224.

42297061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36072036 + 6225025 = 6006^2 + 2495^2 .

It is a cyclic number.

It is not a de Polignac number, because 42297061 - 2⁹ = 42296549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42297067) 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, 21148530 + 21148531.

It is an arithmetic number, because the mean of its divisors is an integer number (21148531).

Almost surely, 2^42297061 is an apocalyptic number.

It is an amenable number.

42297061 is a deficient number, since it is larger than the sum of its proper divisors (1).

42297061 is an equidigital number, since it uses as much as digits as its factorization.

42297061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 42297061 is about 6503.6190694105. The cubic root of 42297061 is about 348.4202573502.

The spelling of 42297061 in words is "forty-two million, two hundred ninety-seven thousand, sixty-one".