42535061 has 4 divisors (see below), whose sum is σ = 42548172. Its totient is φ = 42521952.

The previous prime is 42535057. The next prime is 42535063. The reversal of 42535061 is 16053524.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 37332100 + 5202961 = 6110^2 + 2281^2 .

It is a cyclic number.

It is not a de Polignac number, because 42535061 - 2² = 42535057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42535061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42535063) 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, 2291 + ... + 9503.

It is an arithmetic number, because the mean of its divisors is an integer number (10637043).

Almost surely, 2^42535061 is an apocalyptic number.

It is an amenable number.

42535061 is a deficient number, since it is larger than the sum of its proper divisors (13111).

42535061 is an equidigital number, since it uses as much as digits as its factorization.

42535061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13110.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 42535061 is about 6521.8909067846. The cubic root of 42535061 is about 349.0725404285.

Adding to 42535061 its reverse (16053524), we get a palindrome (58588585).

The spelling of 42535061 in words is "forty-two million, five hundred thirty-five thousand, sixty-one".