42342413 has 4 divisors (see below), whose sum is σ = 42356448. Its totient is φ = 42328380.

The previous prime is 42342403. The next prime is 42342439. The reversal of 42342413 is 31424324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42342413 - 2²² = 38148109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42342403) 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, 431 + ... + 9212.

It is an arithmetic number, because the mean of its divisors is an integer number (10589112).

Almost surely, 2^42342413 is an apocalyptic number.

It is an amenable number.

42342413 is a deficient number, since it is larger than the sum of its proper divisors (14035).

42342413 is an equidigital number, since it uses as much as digits as its factorization.

42342413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14034.

The product of its digits is 2304, while the sum is 23.

The square root of 42342413 is about 6507.1048093603. The cubic root of 42342413 is about 348.5447412654.

Adding to 42342413 its reverse (31424324), we get a palindrome (73766737).

The spelling of 42342413 in words is "forty-two million, three hundred forty-two thousand, four hundred thirteen".