42897203 has 2 divisors, whose sum is σ = 42897204. Its totient is φ = 42897202.

The previous prime is 42897167. The next prime is 42897227. The reversal of 42897203 is 30279824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42897203 - 2¹⁰ = 42896179 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (42897233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21448601 + 21448602.

It is an arithmetic number, because the mean of its divisors is an integer number (21448602).

Almost surely, 2^42897203 is an apocalyptic number.

42897203 is a deficient number, since it is larger than the sum of its proper divisors (1).

42897203 is an equidigital number, since it uses as much as digits as its factorization.

42897203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 42897203 is about 6549.5956363733. The cubic root of 42897203 is about 350.0604059006.

The spelling of 42897203 in words is "forty-two million, eight hundred ninety-seven thousand, two hundred three".