42517441 has 4 divisors (see below), whose sum is σ = 42852352. Its totient is φ = 42182532.

The previous prime is 42517429. The next prime is 42517471. The reversal of 42517441 is 14471524.

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 42517441 - 2⁷ = 42517313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42517471) 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, 167265 + ... + 167518.

It is an arithmetic number, because the mean of its divisors is an integer number (10713088).

Almost surely, 2^42517441 is an apocalyptic number.

It is an amenable number.

42517441 is a deficient number, since it is larger than the sum of its proper divisors (334911).

42517441 is a wasteful number, since it uses less digits than its factorization.

42517441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334910.

The product of its digits is 4480, while the sum is 28.

The square root of 42517441 is about 6520.5399316314. The cubic root of 42517441 is about 349.0243330790.

Adding to 42517441 its reverse (14471524), we get a palindrome (56988965).

The spelling of 42517441 in words is "forty-two million, five hundred seventeen thousand, four hundred forty-one".