42522373 has 4 divisors (see below), whose sum is σ = 42636748. Its totient is φ = 42408000.

The previous prime is 42522367. The next prime is 42522391. The reversal of 42522373 is 37322524.

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 26697889 + 15824484 = 5167^2 + 3978^2 .

It is a cyclic number.

It is not a de Polignac number, because 42522373 - 2⁹ = 42521861 is a prime.

It is a super-3 number, since 3×42522373³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42522343) 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, 56628 + ... + 57373.

It is an arithmetic number, because the mean of its divisors is an integer number (10659187).

Almost surely, 2^42522373 is an apocalyptic number.

It is an amenable number.

42522373 is a deficient number, since it is larger than the sum of its proper divisors (114375).

42522373 is a wasteful number, since it uses less digits than its factorization.

42522373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114374.

The product of its digits is 10080, while the sum is 28.

The square root of 42522373 is about 6520.9181102050. The cubic root of 42522373 is about 349.0378281014.

Adding to 42522373 its reverse (37322524), we get a palindrome (79844897).

The spelling of 42522373 in words is "forty-two million, five hundred twenty-two thousand, three hundred seventy-three".