421010504 has 16 divisors (see below), whose sum is σ = 814859520. Its totient is φ = 203714640.

The previous prime is 421010483. The next prime is 421010519. The reversal of 421010504 is 405010124.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848564 + ... + 849059.

It is an arithmetic number, because the mean of its divisors is an integer number (50928720).

Almost surely, 2^421010504 is an apocalyptic number.

It is an amenable number.

421010504 is a deficient number, since it is larger than the sum of its proper divisors (393849016).

421010504 is a wasteful number, since it uses less digits than its factorization.

421010504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697660 (or 1697656 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 421010504 is about 20518.5404939045. The cubic root of 421010504 is about 749.4873557484.

Adding to 421010504 its reverse (405010124), we get a palindrome (826020628).

The spelling of 421010504 in words is "four hundred twenty-one million, ten thousand, five hundred four".