42560001 has 12 divisors (see below), whose sum is σ = 67064400. Its totient is φ = 25793880.

The previous prime is 42559997. The next prime is 42560017. The reversal of 42560001 is 10006524.

It is a happy number.

It is not a de Polignac number, because 42560001 - 2² = 42559997 is a prime.

It is a super-2 number, since 2×42560001² = 3622707370240002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42560041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214851 + ... + 215048.

It is an arithmetic number, because the mean of its divisors is an integer number (5588700).

Almost surely, 2^42560001 is an apocalyptic number.

It is an amenable number.

42560001 is a deficient number, since it is larger than the sum of its proper divisors (24504399).

42560001 is a wasteful number, since it uses less digits than its factorization.

42560001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429916 (or 429913 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 42560001 is about 6523.8026487625. The cubic root of 42560001 is about 349.1407521419.

Adding to 42560001 its reverse (10006524), we get a palindrome (52566525).

The spelling of 42560001 in words is "forty-two million, five hundred sixty thousand, one".