421283625 has 96 divisors (see below), whose sum is σ = 827169408. Its totient is φ = 189840000.

The previous prime is 421283581. The next prime is 421283641. The reversal of 421283625 is 526382124.

It is not a de Polignac number, because 421283625 - 2⁹ = 421283113 is a prime.

Its product of digits (23040) is a multiple of the sum of its prime factors (360).

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 95 ways as a sum of consecutive naturals, for example, 1855762 + ... + 1855988.

It is an arithmetic number, because the mean of its divisors is an integer number (8616348).

Almost surely, 2^421283625 is an apocalyptic number.

It is an amenable number.

421283625 is a deficient number, since it is larger than the sum of its proper divisors (405885783).

421283625 is a wasteful number, since it uses less digits than its factorization.

421283625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 343 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 421283625 is about 20525.1948833623. The cubic root of 421283625 is about 749.6493916795.

It can be divided in two parts, 42128 and 3625, that added together give a triangular number (45753 = T₃₀₂).

The spelling of 421283625 in words is "four hundred twenty-one million, two hundred eighty-three thousand, six hundred twenty-five".