42533903 has 2 divisors, whose sum is σ = 42533904. Its totient is φ = 42533902.

The previous prime is 42533873. The next prime is 42533921. The reversal of 42533903 is 30933524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42533903 - 2¹⁶ = 42468367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42533963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21266951 + 21266952.

It is an arithmetic number, because the mean of its divisors is an integer number (21266952).

Almost surely, 2^42533903 is an apocalyptic number.

42533903 is a deficient number, since it is larger than the sum of its proper divisors (1).

42533903 is an equidigital number, since it uses as much as digits as its factorization.

42533903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 42533903 is about 6521.8021282465. The cubic root of 42533903 is about 349.0693726130.

The spelling of 42533903 in words is "forty-two million, five hundred thirty-three thousand, nine hundred three".