42062641 has 4 divisors (see below), whose sum is σ = 44536932. Its totient is φ = 39588352.

The previous prime is 42062633. The next prime is 42062717. The reversal of 42062641 is 14626024.

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 15437041 + 26625600 = 3929^2 + 5160^2 .

It is a cyclic number.

It is not a de Polignac number, because 42062641 - 2³ = 42062633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42062621) 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, 1237120 + ... + 1237153.

It is an arithmetic number, because the mean of its divisors is an integer number (11134233).

Almost surely, 2^42062641 is an apocalyptic number.

It is an amenable number.

42062641 is a deficient number, since it is larger than the sum of its proper divisors (2474291).

42062641 is a wasteful number, since it uses less digits than its factorization.

42062641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2474290.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 42062641 is about 6485.5717558285. The cubic root of 42062641 is about 347.7753895872.

Adding to 42062641 its reverse (14626024), we get a palindrome (56688665).

The spelling of 42062641 in words is "forty-two million, sixty-two thousand, six hundred forty-one".