42050813 has 8 divisors (see below), whose sum is σ = 48097728. Its totient is φ = 36013824.

The previous prime is 42050791. The next prime is 42050821. The reversal of 42050813 is 31805024.

42050813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42050813 - 2¹⁶ = 41985277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42050863) 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 7 ways as a sum of consecutive naturals, for example, 13370 + ... + 16212.

It is an arithmetic number, because the mean of its divisors is an integer number (6012216).

Almost surely, 2^42050813 is an apocalyptic number.

It is an amenable number.

42050813 is a deficient number, since it is larger than the sum of its proper divisors (6046915).

42050813 is a wasteful number, since it uses less digits than its factorization.

42050813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4963.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 42050813 is about 6484.6598214556. The cubic root of 42050813 is about 347.7427884250.

Adding to 42050813 its reverse (31805024), we get a palindrome (73855837).

The spelling of 42050813 in words is "forty-two million, fifty thousand, eight hundred thirteen".