42959599 has 2 divisors, whose sum is σ = 42959600. Its totient is φ = 42959598.

The previous prime is 42959509. The next prime is 42959621. The reversal of 42959599 is 99595924.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42959599 - 2⁷ = 42959471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42959509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21479799 + 21479800.

It is an arithmetic number, because the mean of its divisors is an integer number (21479800).

Almost surely, 2^42959599 is an apocalyptic number.

42959599 is a deficient number, since it is larger than the sum of its proper divisors (1).

42959599 is an equidigital number, since it uses as much as digits as its factorization.

42959599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1312200, while the sum is 52.

The square root of 42959599 is about 6554.3572530035. The cubic root of 42959599 is about 350.2300501187.

The spelling of 42959599 in words is "forty-two million, nine hundred fifty-nine thousand, five hundred ninety-nine".