42200903 has 2 divisors, whose sum is σ = 42200904. Its totient is φ = 42200902.

The previous prime is 42200869. The next prime is 42200923. The reversal of 42200903 is 30900224.

It is an a-pointer prime, because the next prime (42200923) can be obtained adding 42200903 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42200903 - 2¹⁰ = 42199879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42200923) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21100451 + 21100452.

It is an arithmetic number, because the mean of its divisors is an integer number (21100452).

Almost surely, 2^42200903 is an apocalyptic number.

42200903 is a deficient number, since it is larger than the sum of its proper divisors (1).

42200903 is an equidigital number, since it uses as much as digits as its factorization.

42200903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 42200903 is about 6496.2222098694. Note that the first 4 decimals coincide. The cubic root of 42200903 is about 348.1560245228.

The spelling of 42200903 in words is "forty-two million, two hundred thousand, nine hundred three".