42352061 has 4 divisors (see below), whose sum is σ = 42726972. Its totient is φ = 41977152.

The previous prime is 42352031. The next prime is 42352067. The reversal of 42352061 is 16025324.

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 504100 + 41847961 = 710^2 + 6469^2 .

It is a cyclic number.

It is not a de Polignac number, because 42352061 - 2¹⁰ = 42351037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42352067) 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, 187286 + ... + 187511.

It is an arithmetic number, because the mean of its divisors is an integer number (10681743).

Almost surely, 2^42352061 is an apocalyptic number.

It is an amenable number.

42352061 is a deficient number, since it is larger than the sum of its proper divisors (374911).

42352061 is a wasteful number, since it uses less digits than its factorization.

42352061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374910.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 42352061 is about 6507.8461106575. The cubic root of 42352061 is about 348.5712119996.

Adding to 42352061 its reverse (16025324), we get a palindrome (58377385).

The spelling of 42352061 in words is "forty-two million, three hundred fifty-two thousand, sixty-one".