421025010 has 32 divisors (see below), whose sum is σ = 1154812032. Its totient is φ = 96234240.

The previous prime is 421024999. The next prime is 421025039. The reversal of 421025010 is 10520124.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1002231 + ... + 1002650.

It is an arithmetic number, because the mean of its divisors is an integer number (36087876).

Almost surely, 2^421025010 is an apocalyptic number.

421025010 is an abundant number, since it is smaller than the sum of its proper divisors (733787022).

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

421025010 is a wasteful number, since it uses less digits than its factorization.

421025010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004898.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 421025010 is about 20518.8939760407. The cubic root of 421025010 is about 749.4959635611.

Adding to 421025010 its reverse (10520124), we get a palindrome (431545134).

The spelling of 421025010 in words is "four hundred twenty-one million, twenty-five thousand, ten".