42291199 has 2 divisors, whose sum is σ = 42291200. Its totient is φ = 42291198.

The previous prime is 42291143. The next prime is 42291203. The reversal of 42291199 is 99119224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42291199 - 2⁷ = 42291071 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42291299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21145599 + 21145600.

It is an arithmetic number, because the mean of its divisors is an integer number (21145600).

Almost surely, 2^42291199 is an apocalyptic number.

42291199 is a deficient number, since it is larger than the sum of its proper divisors (1).

42291199 is an equidigital number, since it uses as much as digits as its factorization.

42291199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 37.

The square root of 42291199 is about 6503.1683816429. The cubic root of 42291199 is about 348.4041606139.

The spelling of 42291199 in words is "forty-two million, two hundred ninety-one thousand, one hundred ninety-nine".