42502041 has 6 divisors (see below), whose sum is σ = 61391850. Its totient is φ = 28334688.

The previous prime is 42502021. The next prime is 42502067. The reversal of 42502041 is 14020524.

It can be written as a sum of positive squares in only one way, i.e., 30969225 + 11532816 = 5565^2 + 3396^2 .

It is not a de Polignac number, because 42502041 - 2⁷ = 42501913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42502021) 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 5 ways as a sum of consecutive naturals, for example, 2361216 + ... + 2361233.

It is an arithmetic number, because the mean of its divisors is an integer number (10231975).

Almost surely, 2^42502041 is an apocalyptic number.

It is an amenable number.

42502041 is a deficient number, since it is larger than the sum of its proper divisors (18889809).

42502041 is a wasteful number, since it uses less digits than its factorization.

42502041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4722455 (or 4722452 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 42502041 is about 6519.3589408775. The cubic root of 42502041 is about 348.9821886187.

Adding to 42502041 its reverse (14020524), we get a palindrome (56522565).

The spelling of 42502041 in words is "forty-two million, five hundred two thousand, forty-one".