42258973 has 8 divisors (see below), whose sum is σ = 42858200. Its totient is φ = 41663808.

The previous prime is 42258961. The next prime is 42259013. The reversal of 42258973 is 37985224.

It can be written as a sum of positive squares in 4 ways, for example, as 17288964 + 24970009 = 4158^2 + 4997^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42258973 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 (42258913) 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 7 ways as a sum of consecutive naturals, for example, 24115 + ... + 25807.

It is an arithmetic number, because the mean of its divisors is an integer number (5357275).

Almost surely, 2^42258973 is an apocalyptic number.

It is an amenable number.

42258973 is a deficient number, since it is larger than the sum of its proper divisors (599227).

42258973 is a wasteful number, since it uses less digits than its factorization.

42258973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031.

The product of its digits is 120960, while the sum is 40.

The square root of 42258973 is about 6500.6901941255. The cubic root of 42258973 is about 348.3156431777.

It can be divided in two parts, 422 and 58973, that added together give a palindrome (59395).

The spelling of 42258973 in words is "forty-two million, two hundred fifty-eight thousand, nine hundred seventy-three".