421250502 has 16 divisors (see below), whose sum is σ = 847373040. Its totient is φ = 139604832.

The previous prime is 421250471. The next prime is 421250521. The reversal of 421250502 is 205052124.

It is a happy number.

It is a congruent 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, 201877 + ... + 203952.

It is an arithmetic number, because the mean of its divisors is an integer number (52960815).

Almost surely, 2^421250502 is an apocalyptic number.

421250502 is an abundant number, since it is smaller than the sum of its proper divisors (426122538).

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

421250502 is a wasteful number, since it uses less digits than its factorization.

421250502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406007.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 421250502 is about 20524.3879811311. The cubic root of 421250502 is about 749.6297443555.

The spelling of 421250502 in words is "four hundred twenty-one million, two hundred fifty thousand, five hundred two".