42513355 has 8 divisors (see below), whose sum is σ = 53701200. Its totient is φ = 32220576.

The previous prime is 42513349. The next prime is 42513397. The reversal of 42513355 is 55331524.

42513355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42513355 - 2⁵ = 42513323 is a prime.

It is an unprimeable number.

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, 223660 + ... + 223849.

It is an arithmetic number, because the mean of its divisors is an integer number (6712650).

Almost surely, 2^42513355 is an apocalyptic number.

42513355 is a deficient number, since it is larger than the sum of its proper divisors (11187845).

42513355 is a wasteful number, since it uses less digits than its factorization.

42513355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447533.

The product of its digits is 9000, while the sum is 28.

The square root of 42513355 is about 6520.2266064915. The cubic root of 42513355 is about 349.0131521057.

Adding to 42513355 its reverse (55331524), we get a palindrome (97844879).

The spelling of 42513355 in words is "forty-two million, five hundred thirteen thousand, three hundred fifty-five".