42530210 has 16 divisors (see below), whose sum is σ = 76640256. Its totient is φ = 16993008.

The previous prime is 42530179. The next prime is 42530231. The reversal of 42530210 is 1203524.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10079 + ... + 13661.

It is an arithmetic number, because the mean of its divisors is an integer number (4790016).

Almost surely, 2^42530210 is an apocalyptic number.

42530210 is a deficient number, since it is larger than the sum of its proper divisors (34110046).

42530210 is a wasteful number, since it uses less digits than its factorization.

42530210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4777.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 42530210 is about 6521.5189948355. The cubic root of 42530210 is about 349.0592696880.

Adding to 42530210 its reverse (1203524), we get a palindrome (43733734).

The spelling of 42530210 in words is "forty-two million, five hundred thirty thousand, two hundred ten".