42340541 has 4 divisors (see below), whose sum is σ = 42850752. Its totient is φ = 41830332.

The previous prime is 42340537. The next prime is 42340553. The reversal of 42340541 is 14504324.

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.

It is a cyclic number.

It is not a de Polignac number, because 42340541 - 2² = 42340537 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 (42340241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254981 + ... + 255146.

It is an arithmetic number, because the mean of its divisors is an integer number (10712688).

Almost surely, 2^42340541 is an apocalyptic number.

It is an amenable number.

42340541 is a deficient number, since it is larger than the sum of its proper divisors (510211).

42340541 is an equidigital number, since it uses as much as digits as its factorization.

42340541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510210.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 42340541 is about 6506.9609649974. The cubic root of 42340541 is about 348.5396046870.

Adding to 42340541 its reverse (14504324), we get a palindrome (56844865).

The spelling of 42340541 in words is "forty-two million, three hundred forty thousand, five hundred forty-one".