42355437 has 4 divisors (see below), whose sum is σ = 56473920. Its totient is φ = 28236956.

The previous prime is 42355433. The next prime is 42355441. The reversal of 42355437 is 73455324.

42355437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (42355433) and next prime (42355441).

It is a cyclic number.

It is not a de Polignac number, because 42355437 - 2² = 42355433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42355398 and 42355407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42355433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7059237 + ... + 7059242.

It is an arithmetic number, because the mean of its divisors is an integer number (14118480).

Almost surely, 2^42355437 is an apocalyptic number.

It is an amenable number.

42355437 is a deficient number, since it is larger than the sum of its proper divisors (14118483).

42355437 is a wasteful number, since it uses less digits than its factorization.

42355437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14118482.

The product of its digits is 50400, while the sum is 33.

The square root of 42355437 is about 6508.1054847014. The cubic root of 42355437 is about 348.5804736122.

The spelling of 42355437 in words is "forty-two million, three hundred fifty-five thousand, four hundred thirty-seven".