42275513 has 16 divisors (see below), whose sum is σ = 51947520. Its totient is φ = 33593616.

The previous prime is 42275489. The next prime is 42275521. The reversal of 42275513 is 31557224.

It is a happy number.

It is not a de Polignac number, because 42275513 - 2¹² = 42271417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42275113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2870 + ... + 9632.

It is an arithmetic number, because the mean of its divisors is an integer number (3246720).

Almost surely, 2^42275513 is an apocalyptic number.

It is an amenable number.

42275513 is a deficient number, since it is larger than the sum of its proper divisors (9672007).

42275513 is a wasteful number, since it uses less digits than its factorization.

42275513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6836.

The product of its digits is 8400, while the sum is 29.

The square root of 42275513 is about 6501.9622422773. The cubic root of 42275513 is about 348.3610803860.

The spelling of 42275513 in words is "forty-two million, two hundred seventy-five thousand, five hundred thirteen".