420604425 has 36 divisors (see below), whose sum is σ = 793007280. Its totient is φ = 212513760.

The previous prime is 420604423. The next prime is 420604439. The reversal of 420604425 is 524406024.

It is not a de Polignac number, because 420604425 - 2¹ = 420604423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420604421) 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, 44919 + ... + 53468.

It is an arithmetic number, because the mean of its divisors is an integer number (22027980).

Almost surely, 2^420604425 is an apocalyptic number.

420604425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

420604425 is a deficient number, since it is larger than the sum of its proper divisors (372402855).

420604425 is a wasteful number, since it uses less digits than its factorization.

420604425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98422 (or 98414 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 420604425 is about 20508.6426903391. The cubic root of 420604425 is about 749.2463095213.

The spelling of 420604425 in words is "four hundred twenty million, six hundred four thousand, four hundred twenty-five".