42050461 has 4 divisors (see below), whose sum is σ = 43076124. Its totient is φ = 41024800.

The previous prime is 42050447. The next prime is 42050479. The reversal of 42050461 is 16405024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 962361 + 41088100 = 981^2 + 6410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42050461 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42051461) 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, 512770 + ... + 512851.

It is an arithmetic number, because the mean of its divisors is an integer number (10769031).

Almost surely, 2^42050461 is an apocalyptic number.

42050461 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

42050461 is a deficient number, since it is larger than the sum of its proper divisors (1025663).

42050461 is a wasteful number, since it uses less digits than its factorization.

42050461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025662.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 42050461 is about 6484.6326804222. The cubic root of 42050461 is about 347.7418181243.

Adding to 42050461 its reverse (16405024), we get a palindrome (58455485).

The spelling of 42050461 in words is "forty-two million, fifty thousand, four hundred sixty-one".