42567599 has 2 divisors, whose sum is σ = 42567600. Its totient is φ = 42567598.

The previous prime is 42567587. The next prime is 42567601. The reversal of 42567599 is 99576524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42567599 - 2⁴ = 42567583 is a prime.

Together with 42567601, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42567559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21283799 + 21283800.

It is an arithmetic number, because the mean of its divisors is an integer number (21283800).

Almost surely, 2^42567599 is an apocalyptic number.

42567599 is a deficient number, since it is larger than the sum of its proper divisors (1).

42567599 is an equidigital number, since it uses as much as digits as its factorization.

42567599 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680400, while the sum is 47.

The square root of 42567599 is about 6524.3849518556. The cubic root of 42567599 is about 349.1615276238.

The spelling of 42567599 in words is "forty-two million, five hundred sixty-seven thousand, five hundred ninety-nine".