42503371 has 8 divisors (see below), whose sum is σ = 42923520. Its totient is φ = 42085608.

The previous prime is 42503359. The next prime is 42503381. The reversal of 42503371 is 17330524.

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 42503371 - 2⁵ = 42503339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42503311) 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 7 ways as a sum of consecutive naturals, for example, 65370 + ... + 66016.

It is an arithmetic number, because the mean of its divisors is an integer number (5365440).

Almost surely, 2^42503371 is an apocalyptic number.

42503371 is a deficient number, since it is larger than the sum of its proper divisors (420149).

42503371 is a wasteful number, since it uses less digits than its factorization.

42503371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 42503371 is about 6519.4609439738. The cubic root of 42503371 is about 348.9858287692.

Adding to 42503371 its reverse (17330524), we get a palindrome (59833895).

It can be divided in two parts, 425033 and 71, that added together give a square (425104 = 652²).

The spelling of 42503371 in words is "forty-two million, five hundred three thousand, three hundred seventy-one".