42339501 has 24 divisors (see below), whose sum is σ = 62539776. Its totient is φ = 27595680.

The previous prime is 42339491. The next prime is 42339509. The reversal of 42339501 is 10593324.

It is not a de Polignac number, because 42339501 - 2⁷ = 42339373 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42339509) 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 23 ways as a sum of consecutive naturals, for example, 110356 + ... + 110738.

It is an arithmetic number, because the mean of its divisors is an integer number (2605824).

Almost surely, 2^42339501 is an apocalyptic number.

It is an amenable number.

42339501 is a deficient number, since it is larger than the sum of its proper divisors (20200275).

42339501 is a wasteful number, since it uses less digits than its factorization.

42339501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 42339501 is about 6506.8810500884. The cubic root of 42339501 is about 348.5367509669.

The spelling of 42339501 in words is "forty-two million, three hundred thirty-nine thousand, five hundred one".