42533317 has 4 divisors (see below), whose sum is σ = 42551680. Its totient is φ = 42514956.

The previous prime is 42533311. The next prime is 42533327. The reversal of 42533317 is 71333524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42533317 - 2¹⁹ = 42009029 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 (42533311) 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, 5103 + ... + 10540.

It is an arithmetic number, because the mean of its divisors is an integer number (10637920).

Almost surely, 2^42533317 is an apocalyptic number.

It is an amenable number.

42533317 is a deficient number, since it is larger than the sum of its proper divisors (18363).

42533317 is a wasteful number, since it uses less digits than its factorization.

42533317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18362.

The product of its digits is 7560, while the sum is 28.

The square root of 42533317 is about 6521.7572018590. The cubic root of 42533317 is about 349.0677695342.

The spelling of 42533317 in words is "forty-two million, five hundred thirty-three thousand, three hundred seventeen".