42588929 has 2 divisors, whose sum is σ = 42588930. Its totient is φ = 42588928.

The previous prime is 42588911. The next prime is 42588943. The reversal of 42588929 is 92988524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35724529 + 6864400 = 5977^2 + 2620^2 .

It is a cyclic number.

It is not a de Polignac number, because 42588929 - 2²⁰ = 41540353 is a prime.

It is not a weakly prime, because it can be changed into another prime (42588229) 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, 21294464 + 21294465.

It is an arithmetic number, because the mean of its divisors is an integer number (21294465).

Almost surely, 2^42588929 is an apocalyptic number.

It is an amenable number.

42588929 is a deficient number, since it is larger than the sum of its proper divisors (1).

42588929 is an equidigital number, since it uses as much as digits as its factorization.

42588929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 47.

The square root of 42588929 is about 6526.0193839737. The cubic root of 42588929 is about 349.2198377935.

The spelling of 42588929 in words is "forty-two million, five hundred eighty-eight thousand, nine hundred twenty-nine".