420452425 has 12 divisors (see below), whose sum is σ = 548801680. Its totient is φ = 318658320.

The previous prime is 420452413. The next prime is 420452447. The reversal of 420452425 is 524254024.

It is not a de Polignac number, because 420452425 - 2¹⁷ = 420321353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420452393 and 420452402.

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 11 ways as a sum of consecutive naturals, for example, 442107 + ... + 443056.

Almost surely, 2^420452425 is an apocalyptic number.

It is an amenable number.

420452425 is a deficient number, since it is larger than the sum of its proper divisors (128349255).

420452425 is a wasteful number, since it uses less digits than its factorization.

420452425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885192 (or 885187 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 420452425 is about 20504.9366007311. The cubic root of 420452425 is about 749.1560432649.

The spelling of 420452425 in words is "four hundred twenty million, four hundred fifty-two thousand, four hundred twenty-five".