42301513 has 4 divisors (see below), whose sum is σ = 42368148. Its totient is φ = 42234880.

The previous prime is 42301499. The next prime is 42301537. The reversal of 42301513 is 31510324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35188624 + 7112889 = 5932^2 + 2667^2 .

It is a cyclic number.

It is not a de Polignac number, because 42301513 - 2⁵ = 42301481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42301583) 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 3 ways as a sum of consecutive naturals, for example, 32356 + ... + 33637.

It is an arithmetic number, because the mean of its divisors is an integer number (10592037).

Almost surely, 2^42301513 is an apocalyptic number.

It is an amenable number.

42301513 is a deficient number, since it is larger than the sum of its proper divisors (66635).

42301513 is an equidigital number, since it uses as much as digits as its factorization.

42301513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66634.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 42301513 is about 6503.9613313734. The cubic root of 42301513 is about 348.4324813088.

Adding to 42301513 its reverse (31510324), we get a palindrome (73811837).

The spelling of 42301513 in words is "forty-two million, three hundred one thousand, five hundred thirteen".