42534253 has 8 divisors (see below), whose sum is σ = 43441848. Its totient is φ = 41635584.

The previous prime is 42534251. The next prime is 42534269. The reversal of 42534253 is 35243524.

It can be written as a sum of positive squares in 4 ways, for example, as 2427364 + 40106889 = 1558^2 + 6333^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42534253 - 2¹ = 42534251 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 (42534251) 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, 7875 + ... + 12127.

It is an arithmetic number, because the mean of its divisors is an integer number (5430231).

Almost surely, 2^42534253 is an apocalyptic number.

It is an amenable number.

42534253 is a deficient number, since it is larger than the sum of its proper divisors (907595).

42534253 is a wasteful number, since it uses less digits than its factorization.

42534253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4463.

The product of its digits is 14400, while the sum is 28.

The square root of 42534253 is about 6521.8289612654. The cubic root of 42534253 is about 349.0703300763.

Adding to 42534253 its reverse (35243524), we get a palindrome (77777777).

The spelling of 42534253 in words is "forty-two million, five hundred thirty-four thousand, two hundred fifty-three".