42050137 has 4 divisors (see below), whose sum is σ = 42063120. Its totient is φ = 42037156.

The previous prime is 42050119. The next prime is 42050159. The reversal of 42050137 is 73105024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42050137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42050237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2814 + ... + 9592.

It is an arithmetic number, because the mean of its divisors is an integer number (10515780).

Almost surely, 2^42050137 is an apocalyptic number.

It is an amenable number.

42050137 is a deficient number, since it is larger than the sum of its proper divisors (12983).

42050137 is an equidigital number, since it uses as much as digits as its factorization.

42050137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12982.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 42050137 is about 6484.6076982343. The cubic root of 42050137 is about 347.7409250018.

The spelling of 42050137 in words is "forty-two million, fifty thousand, one hundred thirty-seven".