42562641 has 16 divisors (see below), whose sum is σ = 65168640. Its totient is φ = 24437520.

The previous prime is 42562609. The next prime is 42562651. The reversal of 42562641 is 14626524.

It is not a de Polignac number, because 42562641 - 2⁵ = 42562609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42562599 and 42562608.

It is not an unprimeable number, because it can be changed into a prime (42562651) 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 15 ways as a sum of consecutive naturals, for example, 33315 + ... + 34568.

It is an arithmetic number, because the mean of its divisors is an integer number (4073040).

Almost surely, 2^42562641 is an apocalyptic number.

It is an amenable number.

42562641 is a deficient number, since it is larger than the sum of its proper divisors (22605999).

42562641 is a wasteful number, since it uses less digits than its factorization.

42562641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67916.

The product of its digits is 11520, while the sum is 30.

The square root of 42562641 is about 6524.0049816045. The cubic root of 42562641 is about 349.1479710682.

The spelling of 42562641 in words is "forty-two million, five hundred sixty-two thousand, six hundred forty-one".