420425325 has 36 divisors (see below), whose sum is σ = 779007060. Its totient is φ = 216491520.

The previous prime is 420425311. The next prime is 420425329. The reversal of 420425325 is 523524024.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 9998244 + 410427081 = 3162^2 + 20259^2 .

It is not a de Polignac number, because 420425325 - 2⁷ = 420425197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420425329) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 25692 + ... + 38741.

It is an arithmetic number, because the mean of its divisors is an integer number (21639085).

Almost surely, 2^420425325 is an apocalyptic number.

420425325 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

420425325 is a deficient number, since it is larger than the sum of its proper divisors (358581735).

420425325 is a wasteful number, since it uses less digits than its factorization.

420425325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64478 (or 64470 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 420425325 is about 20504.2757736039. The cubic root of 420425325 is about 749.1399474565.

Adding to 420425325 its reverse (523524024), we get a palindrome (943949349).

The spelling of 420425325 in words is "four hundred twenty million, four hundred twenty-five thousand, three hundred twenty-five".