42051501 has 16 divisors (see below), whose sum is σ = 62907520. Its totient is φ = 27760320.

The previous prime is 42051491. The next prime is 42051517. The reversal of 42051501 is 10515024.

42051501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42051501 - 2¹⁷ = 41920429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42051551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4780 + ... + 10341.

It is an arithmetic number, because the mean of its divisors is an integer number (3931720).

Almost surely, 2^42051501 is an apocalyptic number.

It is an amenable number.

42051501 is a deficient number, since it is larger than the sum of its proper divisors (20856019).

42051501 is a wasteful number, since it uses less digits than its factorization.

42051501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15233 (or 15227 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 42051501 is about 6484.7128695109. The cubic root of 42051501 is about 347.7446849063.

Adding to 42051501 its reverse (10515024), we get a palindrome (52566525).

The spelling of 42051501 in words is "forty-two million, fifty-one thousand, five hundred one".