42641057 has 16 divisors (see below), whose sum is σ = 46293120. Its totient is φ = 39169152.

The previous prime is 42641051. The next prime is 42641063. The reversal of 42641057 is 75014624.

It is an interprime number because it is at equal distance from previous prime (42641051) and next prime (42641063).

It is a cyclic number.

It is not a de Polignac number, because 42641057 - 2¹⁰ = 42640033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42641051) 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 15 ways as a sum of consecutive naturals, for example, 75458 + ... + 76020.

It is an arithmetic number, because the mean of its divisors is an integer number (2893320).

Almost surely, 2^42641057 is an apocalyptic number.

It is an amenable number.

42641057 is a deficient number, since it is larger than the sum of its proper divisors (3652063).

42641057 is a wasteful number, since it uses less digits than its factorization.

42641057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 42641057 is about 6530.0120214284. The cubic root of 42641057 is about 349.3622590754.

The spelling of 42641057 in words is "forty-two million, six hundred forty-one thousand, fifty-seven".