42513344 has 14 divisors (see below), whose sum is σ = 84362544. Its totient is φ = 21256640.

The previous prime is 42513337. The next prime is 42513349. The reversal of 42513344 is 44331524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42513349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332072 + ... + 332199.

It is an arithmetic number, because the mean of its divisors is an integer number (6025896).

Almost surely, 2^42513344 is an apocalyptic number.

It is an amenable number.

42513344 is a deficient number, since it is larger than the sum of its proper divisors (41849200).

42513344 is an equidigital number, since it uses as much as digits as its factorization.

42513344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664283 (or 664273 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 42513344 is about 6520.2257629625. The cubic root of 42513344 is about 349.0131220042.

Adding to 42513344 its reverse (44331524), we get a palindrome (86844868).

The spelling of 42513344 in words is "forty-two million, five hundred thirteen thousand, three hundred forty-four".