424531425 has 24 divisors (see below), whose sum is σ = 719016480. Its totient is φ = 220892800.

The previous prime is 424531417. The next prime is 424531441. The reversal of 424531425 is 524135424.

It is not a de Polignac number, because 424531425 - 2³ = 424531417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 424531392 and 424531401.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65955 + ... + 72104.

It is an arithmetic number, because the mean of its divisors is an integer number (29959020).

Almost surely, 2^424531425 is an apocalyptic number.

It is an amenable number.

424531425 is a deficient number, since it is larger than the sum of its proper divisors (294485055).

424531425 is a wasteful number, since it uses less digits than its factorization.

424531425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138113 (or 138108 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 424531425 is about 20604.1603808551. The cubic root of 424531425 is about 751.5708852400.

Adding to 424531425 its reverse (524135424), we get a palindrome (948666849).

The spelling of 424531425 in words is "four hundred twenty-four million, five hundred thirty-one thousand, four hundred twenty-five".