424725425 has 12 divisors (see below), whose sum is σ = 527268336. Its totient is φ = 339387600.

The previous prime is 424725421. The next prime is 424725439. The reversal of 424725425 is 524527424.

It is not a de Polignac number, because 424725425 - 2² = 424725421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424725421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13310 + ... + 32040.

It is an arithmetic number, because the mean of its divisors is an integer number (43939028).

Almost surely, 2^424725425 is an apocalyptic number.

It is an amenable number.

424725425 is a deficient number, since it is larger than the sum of its proper divisors (102542911).

424725425 is a wasteful number, since it uses less digits than its factorization.

424725425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19648 (or 19643 counting only the distinct ones).

The product of its digits is 89600, while the sum is 35.

The square root of 424725425 is about 20608.8676302217. The cubic root of 424725425 is about 751.6853506947.

The spelling of 424725425 in words is "four hundred twenty-four million, seven hundred twenty-five thousand, four hundred twenty-five".