42002999 has 2 divisors, whose sum is σ = 42003000. Its totient is φ = 42002998.

The previous prime is 42002993. The next prime is 42003023. The reversal of 42002999 is 99920024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42002999 - 2¹² = 41998903 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 (42002993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21001499 + 21001500.

It is an arithmetic number, because the mean of its divisors is an integer number (21001500).

Almost surely, 2^42002999 is an apocalyptic number.

42002999 is a deficient number, since it is larger than the sum of its proper divisors (1).

42002999 is an equidigital number, since it uses as much as digits as its factorization.

42002999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 42002999 is about 6480.9720721509. The cubic root of 42002999 is about 347.6109377869.

The spelling of 42002999 in words is "forty-two million, two thousand, nine hundred ninety-nine".