42605061 has 4 divisors (see below), whose sum is σ = 56806752. Its totient is φ = 28403372.

The previous prime is 42605051. The next prime is 42605081. The reversal of 42605061 is 16050624.

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 42605061 - 2⁶ = 42604997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42605051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7100841 + ... + 7100846.

It is an arithmetic number, because the mean of its divisors is an integer number (14201688).

Almost surely, 2^42605061 is an apocalyptic number.

It is an amenable number.

42605061 is a deficient number, since it is larger than the sum of its proper divisors (14201691).

42605061 is a wasteful number, since it uses less digits than its factorization.

42605061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14201690.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 42605061 is about 6527.2552424430. The cubic root of 42605061 is about 349.2639251765.

Adding to 42605061 its reverse (16050624), we get a palindrome (58655685).

The spelling of 42605061 in words is "forty-two million, six hundred five thousand, sixty-one".