42513041 has 4 divisors (see below), whose sum is σ = 43147632. Its totient is φ = 41878452.

The previous prime is 42513017. The next prime is 42513067. The reversal of 42513041 is 14031524.

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 a de Polignac number, because none of the positive numbers 2^k-42513041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42513091) 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, 317195 + ... + 317328.

It is an arithmetic number, because the mean of its divisors is an integer number (10786908).

Almost surely, 2^42513041 is an apocalyptic number.

It is an amenable number.

42513041 is a deficient number, since it is larger than the sum of its proper divisors (634591).

42513041 is an equidigital number, since it uses as much as digits as its factorization.

42513041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634590.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 42513041 is about 6520.2025275293. The cubic root of 42513041 is about 349.0122928432.

Adding to 42513041 its reverse (14031524), we get a palindrome (56544565).

The spelling of 42513041 in words is "forty-two million, five hundred thirteen thousand, forty-one".