42356541 has 16 divisors (see below), whose sum is σ = 58503168. Its totient is φ = 27241200.

The previous prime is 42356539. The next prime is 42356549. The reversal of 42356541 is 14565324.

It is not a de Polignac number, because 42356541 - 2¹ = 42356539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42356499 and 42356508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42356549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7896 + ... + 12126.

It is an arithmetic number, because the mean of its divisors is an integer number (3656448).

Almost surely, 2^42356541 is an apocalyptic number.

It is an amenable number.

42356541 is a deficient number, since it is larger than the sum of its proper divisors (16146627).

42356541 is a wasteful number, since it uses less digits than its factorization.

42356541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352.

The product of its digits is 14400, while the sum is 30.

The square root of 42356541 is about 6508.1903014586. The cubic root of 42356541 is about 348.5835021845.

The spelling of 42356541 in words is "forty-two million, three hundred fifty-six thousand, five hundred forty-one".