42541213 has 16 divisors (see below), whose sum is σ = 50162112. Its totient is φ = 35568000.

The previous prime is 42541211. The next prime is 42541229. The reversal of 42541213 is 31214524.

It is not a de Polignac number, because 42541213 - 2¹ = 42541211 is a prime.

It is a super-2 number, since 2×42541213² = 3619509607022738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42541211) 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, 74218 + ... + 74788.

It is an arithmetic number, because the mean of its divisors is an integer number (3135132).

Almost surely, 2^42541213 is an apocalyptic number.

It is an amenable number.

42541213 is a deficient number, since it is larger than the sum of its proper divisors (7620899).

42541213 is a wasteful number, since it uses less digits than its factorization.

42541213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116.

The product of its digits is 960, while the sum is 22.

The square root of 42541213 is about 6522.3625320891. The cubic root of 42541213 is about 349.0893688260.

Adding to 42541213 its reverse (31214524), we get a palindrome (73755737).

The spelling of 42541213 in words is "forty-two million, five hundred forty-one thousand, two hundred thirteen".