42050001 has 16 divisors (see below), whose sum is σ = 65567744. Its totient is φ = 23469264.

The previous prime is 42049991. The next prime is 42050039. The reversal of 42050001 is 10005024.

It is not a de Polignac number, because 42050001 - 2⁷ = 42049873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42050201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22381 + ... + 24186.

It is an arithmetic number, because the mean of its divisors is an integer number (4097984).

Almost surely, 2^42050001 is an apocalyptic number.

It is an amenable number.

42050001 is a deficient number, since it is larger than the sum of its proper divisors (23517743).

42050001 is a wasteful number, since it uses less digits than its factorization.

42050001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46620.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 42050001 is about 6484.5972118552. The cubic root of 42050001 is about 347.7405501095.

Adding to 42050001 its reverse (10005024), we get a palindrome (52055025).

The spelling of 42050001 in words is "forty-two million, fifty thousand, one".