42523210 has 16 divisors (see below), whose sum is σ = 77003136. Its totient is φ = 16906768.

The previous prime is 42523181. The next prime is 42523211. The reversal of 42523210 is 1232524.

It is not an unprimeable number, because it can be changed into a prime (42523211) 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, 11062 + ... + 14401.

It is an arithmetic number, because the mean of its divisors is an integer number (4812696).

Almost surely, 2^42523210 is an apocalyptic number.

42523210 is a deficient number, since it is larger than the sum of its proper divisors (34479926).

42523210 is a wasteful number, since it uses less digits than its factorization.

42523210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25637.

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

The square root of 42523210 is about 6520.9822879686. The cubic root of 42523210 is about 349.0401182115.

Adding to 42523210 its reverse (1232524), we get a palindrome (43755734).

The spelling of 42523210 in words is "forty-two million, five hundred twenty-three thousand, two hundred ten".