42305541 has 16 divisors (see below), whose sum is σ = 58196544. Its totient is φ = 27316224.

The previous prime is 42305531. The next prime is 42305551. The reversal of 42305541 is 14550324.

It is an interprime number because it is at equal distance from previous prime (42305531) and next prime (42305551).

It is not a de Polignac number, because 42305541 - 2⁶ = 42305477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42305531) 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, 27786 + ... + 29268.

It is an arithmetic number, because the mean of its divisors is an integer number (3637284).

Almost surely, 2^42305541 is an apocalyptic number.

It is an amenable number.

42305541 is a deficient number, since it is larger than the sum of its proper divisors (15891003).

42305541 is a wasteful number, since it uses less digits than its factorization.

42305541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 42305541 is about 6504.2709814398. The cubic root of 42305541 is about 348.4435403418.

Adding to 42305541 its reverse (14550324), we get a palindrome (56855865).

The spelling of 42305541 in words is "forty-two million, three hundred five thousand, five hundred forty-one".