420313125 has 40 divisors (see below), whose sum is σ = 707823424. Its totient is φ = 221760000.

The previous prime is 420313111. The next prime is 420313129. The reversal of 420313125 is 521313024.

It is not a de Polignac number, because 420313125 - 2¹³ = 420304933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420313129) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 180720 + ... + 183030.

Almost surely, 2^420313125 is an apocalyptic number.

It is an amenable number.

420313125 is a deficient number, since it is larger than the sum of its proper divisors (287510299).

420313125 is an equidigital number, since it uses as much as digits as its factorization.

420313125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431 (or 2416 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 420313125 is about 20501.5395763343. The cubic root of 420313125 is about 749.0732998852.

Adding to 420313125 its reverse (521313024), we get a palindrome (941626149).

The spelling of 420313125 in words is "four hundred twenty million, three hundred thirteen thousand, one hundred twenty-five".