42152533 has 4 divisors (see below), whose sum is σ = 42206220. Its totient is φ = 42098848.

The previous prime is 42152521. The next prime is 42152549. The reversal of 42152533 is 33525124.

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 24830289 + 17322244 = 4983^2 + 4162^2 .

It is a cyclic number.

It is not a de Polignac number, because 42152533 - 2²⁵ = 8598101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42152498 and 42152507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42152563) 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, 25648 + ... + 27241.

It is an arithmetic number, because the mean of its divisors is an integer number (10551555).

Almost surely, 2^42152533 is an apocalyptic number.

It is an amenable number.

42152533 is a deficient number, since it is larger than the sum of its proper divisors (53687).

42152533 is an equidigital number, since it uses as much as digits as its factorization.

42152533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53686.

The product of its digits is 3600, while the sum is 25.

The square root of 42152533 is about 6492.4982094722. The cubic root of 42152533 is about 348.0229567143.

Adding to 42152533 its reverse (33525124), we get a palindrome (75677657).

The spelling of 42152533 in words is "forty-two million, one hundred fifty-two thousand, five hundred thirty-three".