42512203 has 4 divisors (see below), whose sum is σ = 43549128. Its totient is φ = 41475280.

The previous prime is 42512167. The next prime is 42512219. The reversal of 42512203 is 30221524.

42512203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42512203 - 2²⁵ = 8957771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42512803) 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 3 ways as a sum of consecutive naturals, for example, 518401 + ... + 518482.

It is an arithmetic number, because the mean of its divisors is an integer number (10887282).

Almost surely, 2^42512203 is an apocalyptic number.

42512203 is a deficient number, since it is larger than the sum of its proper divisors (1036925).

42512203 is a wasteful number, since it uses less digits than its factorization.

42512203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036924.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 42512203 is about 6520.1382654051. The cubic root of 42512203 is about 349.0099996314.

Adding to 42512203 its reverse (30221524), we get a palindrome (72733727).

The spelling of 42512203 in words is "forty-two million, five hundred twelve thousand, two hundred three".