42533573 has 2 divisors, whose sum is σ = 42533574. Its totient is φ = 42533572.

The previous prime is 42533551. The next prime is 42533587. The reversal of 42533573 is 37533524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40729924 + 1803649 = 6382^2 + 1343^2 .

It is a cyclic number.

It is not a de Polignac number, because 42533573 - 2¹² = 42529477 is a prime.

It is equal to p_2578109 and since 42533573 and 2578109 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42533273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21266786 + 21266787.

It is an arithmetic number, because the mean of its divisors is an integer number (21266787).

Almost surely, 2^42533573 is an apocalyptic number.

It is an amenable number.

42533573 is a deficient number, since it is larger than the sum of its proper divisors (1).

42533573 is an equidigital number, since it uses as much as digits as its factorization.

42533573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 32.

The square root of 42533573 is about 6521.7768284418. The cubic root of 42533573 is about 349.0684698572.

The spelling of 42533573 in words is "forty-two million, five hundred thirty-three thousand, five hundred seventy-three".