42546001 has 4 divisors (see below), whose sum is σ = 42760000. Its totient is φ = 42332004.

The previous prime is 42545999. The next prime is 42546013. The reversal of 42546001 is 10064524.

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.

It is a cyclic number.

It is not a de Polignac number, because 42546001 - 2¹ = 42545999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42546061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106701 + ... + 107098.

It is an arithmetic number, because the mean of its divisors is an integer number (10690000).

Almost surely, 2^42546001 is an apocalyptic number.

It is an amenable number.

42546001 is a deficient number, since it is larger than the sum of its proper divisors (213999).

42546001 is a wasteful number, since it uses less digits than its factorization.

42546001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213998.

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

The square root of 42546001 is about 6522.7295666768. The cubic root of 42546001 is about 349.1024649672.

The spelling of 42546001 in words is "forty-two million, five hundred forty-six thousand, one".