420484425 has 24 divisors (see below), whose sum is σ = 699107040. Its totient is φ = 222998400.

The previous prime is 420484423. The next prime is 420484433. The reversal of 420484425 is 524484024.

It is not a de Polignac number, because 420484425 - 2¹ = 420484423 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (420484423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2236 + ... + 29085.

It is an arithmetic number, because the mean of its divisors is an integer number (29129460).

Almost surely, 2^420484425 is an apocalyptic number.

It is an amenable number.

420484425 is a deficient number, since it is larger than the sum of its proper divisors (278622615).

420484425 is a wasteful number, since it uses less digits than its factorization.

420484425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31513 (or 31508 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 33.

The square root of 420484425 is about 20505.7168857858. The cubic root of 420484425 is about 749.1750484949.

The spelling of 420484425 in words is "four hundred twenty million, four hundred eighty-four thousand, four hundred twenty-five".