42541699 has 4 divisors (see below), whose sum is σ = 43124536. Its totient is φ = 41958864.

The previous prime is 42541691. The next prime is 42541727. The reversal of 42541699 is 99614524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42541699 - 2³ = 42541691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42541691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291309 + ... + 291454.

It is an arithmetic number, because the mean of its divisors is an integer number (10781134).

Almost surely, 2^42541699 is an apocalyptic number.

42541699 is a deficient number, since it is larger than the sum of its proper divisors (582837).

42541699 is an equidigital number, since it uses as much as digits as its factorization.

42541699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582836.

The product of its digits is 77760, while the sum is 40.

The square root of 42541699 is about 6522.3997884214. The cubic root of 42541699 is about 349.0906981784.

It can be divided in two parts, 425 and 41699, that added together give a palindrome (42124).

The spelling of 42541699 in words is "forty-two million, five hundred forty-one thousand, six hundred ninety-nine".