42275321 has 16 divisors (see below), whose sum is σ = 47604480. Its totient is φ = 37210320.

The previous prime is 42275309. The next prime is 42275341. The reversal of 42275321 is 12357224.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42275321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42275341) 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, 65426 + ... + 66068.

It is an arithmetic number, because the mean of its divisors is an integer number (2975280).

Almost surely, 2^42275321 is an apocalyptic number.

It is an amenable number.

42275321 is a deficient number, since it is larger than the sum of its proper divisors (5329159).

42275321 is a wasteful number, since it uses less digits than its factorization.

42275321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836.

The product of its digits is 3360, while the sum is 26.

The square root of 42275321 is about 6501.9474774870. The cubic root of 42275321 is about 348.3605530088.

The spelling of 42275321 in words is "forty-two million, two hundred seventy-five thousand, three hundred twenty-one".