42503052 has 12 divisors (see below), whose sum is σ = 99173816. Its totient is φ = 14167680.

The previous prime is 42503051. The next prime is 42503059. The reversal of 42503052 is 25030524.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (42503051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1770949 + ... + 1770972.

Almost surely, 2^42503052 is an apocalyptic number.

It is an amenable number.

42503052 is an abundant number, since it is smaller than the sum of its proper divisors (56670764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42503052 is a wasteful number, since it uses less digits than its factorization.

42503052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541928 (or 3541926 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 42503052 is about 6519.4364787150. The cubic root of 42503052 is about 348.9849556874.

Adding to 42503052 its reverse (25030524), we get a palindrome (67533576).

The spelling of 42503052 in words is "forty-two million, five hundred three thousand, fifty-two".