42562129 has 2 divisors, whose sum is σ = 42562130. Its totient is φ = 42562128.

The previous prime is 42562087. The next prime is 42562133. The reversal of 42562129 is 92126524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40297104 + 2265025 = 6348^2 + 1505^2 .

It is a cyclic number.

It is not a de Polignac number, because 42562129 - 2⁷ = 42562001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42562129.

It is not a weakly prime, because it can be changed into another prime (42562199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21281064 + 21281065.

It is an arithmetic number, because the mean of its divisors is an integer number (21281065).

Almost surely, 2^42562129 is an apocalyptic number.

It is an amenable number.

42562129 is a deficient number, since it is larger than the sum of its proper divisors (1).

42562129 is an equidigital number, since it uses as much as digits as its factorization.

42562129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 42562129 is about 6523.9657417862. The cubic root of 42562129 is about 349.1465710574.

The spelling of 42562129 in words is "forty-two million, five hundred sixty-two thousand, one hundred twenty-nine".