42513363 has 8 divisors (see below), whose sum is σ = 62982800. Its totient is φ = 28342224.

The previous prime is 42513349. The next prime is 42513397. The reversal of 42513363 is 36331524.

It is a happy number.

42513363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42513363 - 2⁹ = 42512851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1574569 = 42513363 / (4 + 2 + 5 + 1 + 3 + 3 + 6 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42513313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787258 + ... + 787311.

It is an arithmetic number, because the mean of its divisors is an integer number (7872850).

Almost surely, 2^42513363 is an apocalyptic number.

42513363 is a deficient number, since it is larger than the sum of its proper divisors (20469437).

42513363 is a wasteful number, since it uses less digits than its factorization.

42513363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574578 (or 1574572 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 42513363 is about 6520.2272199671. The cubic root of 42513363 is about 349.0131739977.

Adding to 42513363 its reverse (36331524), we get a palindrome (78844887).

The spelling of 42513363 in words is "forty-two million, five hundred thirteen thousand, three hundred sixty-three".