42515133 has 16 divisors (see below), whose sum is σ = 57480192. Its totient is φ = 27950000.

The previous prime is 42515117. The next prime is 42515159. The reversal of 42515133 is 33151524.

It is a cyclic number.

It is not a de Polignac number, because 42515133 - 2⁴ = 42515117 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42515933) 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, 98428 + ... + 98858.

It is an arithmetic number, because the mean of its divisors is an integer number (3592512).

Almost surely, 2^42515133 is an apocalyptic number.

It is an amenable number.

42515133 is a deficient number, since it is larger than the sum of its proper divisors (14965059).

42515133 is a wasteful number, since it uses less digits than its factorization.

42515133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816.

The product of its digits is 1800, while the sum is 24.

The square root of 42515133 is about 6520.3629500205. The cubic root of 42515133 is about 349.0180175316.

Adding to 42515133 its reverse (33151524), we get a palindrome (75666657).

The spelling of 42515133 in words is "forty-two million, five hundred fifteen thousand, one hundred thirty-three".