434203425 has 18 divisors (see below), whose sum is σ = 777706982. Its totient is φ = 231575040.

The previous prime is 434203423. The next prime is 434203481. The reversal of 434203425 is 524302434.

434203425 is a `hidden beast` number, since 4 + 34 + 203 + 425 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 139428864 + 294774561 = 11808^2 + 17169^2 .

It is not a de Polignac number, because 434203425 - 2¹ = 434203423 is a prime.

It is a super-2 number, since 2×434203425² = 377065228563461250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434203423) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 964672 + ... + 965121.

Almost surely, 2^434203425 is an apocalyptic number.

434203425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

434203425 is a deficient number, since it is larger than the sum of its proper divisors (343503557).

434203425 is a wasteful number, since it uses less digits than its factorization.

434203425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929809 (or 1929801 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 434203425 is about 20837.5484402556. The cubic root of 434203425 is about 757.2357016712.

Adding to 434203425 its reverse (524302434), we get a palindrome (958505859).

Subtracting 434203425 from its reverse (524302434), we obtain a palindrome (90099009).

The spelling of 434203425 in words is "four hundred thirty-four million, two hundred three thousand, four hundred twenty-five".