42279203 has 2 divisors, whose sum is σ = 42279204. Its totient is φ = 42279202.

The previous prime is 42279169. The next prime is 42279253. The reversal of 42279203 is 30297224.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42279203 - 2¹⁰ = 42278179 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_2563580 and since 42279203 and 2563580 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (42279253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21139601 + 21139602.

It is an arithmetic number, because the mean of its divisors is an integer number (21139602).

Almost surely, 2^42279203 is an apocalyptic number.

42279203 is a deficient number, since it is larger than the sum of its proper divisors (1).

42279203 is an equidigital number, since it uses as much as digits as its factorization.

42279203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 42279203 is about 6502.2459965769. The cubic root of 42279203 is about 348.3712156069.

The spelling of 42279203 in words is "forty-two million, two hundred seventy-nine thousand, two hundred three".