42529161 has 8 divisors (see below), whose sum is σ = 57775680. Its totient is φ = 27817712.

The previous prime is 42529141. The next prime is 42529187. The reversal of 42529161 is 16192524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42529161 - 2⁷ = 42529033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42529111) 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 in 7 ways as a sum of consecutive naturals, for example, 133581 + ... + 133898.

It is an arithmetic number, because the mean of its divisors is an integer number (7221960).

Almost surely, 2^42529161 is an apocalyptic number.

It is an amenable number.

42529161 is a deficient number, since it is larger than the sum of its proper divisors (15246519).

42529161 is a wasteful number, since it uses less digits than its factorization.

42529161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267535.

The product of its digits is 4320, while the sum is 30.

The square root of 42529161 is about 6521.4385682915. The cubic root of 42529161 is about 349.0563998363.

The spelling of 42529161 in words is "forty-two million, five hundred twenty-nine thousand, one hundred sixty-one".