431432425 has 12 divisors (see below), whose sum is σ = 552234496. Its totient is φ = 334011600.

The previous prime is 431432401. The next prime is 431432447. The reversal of 431432425 is 524234134.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-431432425 is a prime.

It is a super-2 number, since 2×431432425² = 372267874682761250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431432393 and 431432402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277569 + ... + 279118.

Almost surely, 2^431432425 is an apocalyptic number.

It is an amenable number.

431432425 is a deficient number, since it is larger than the sum of its proper divisors (120802071).

431432425 is a wasteful number, since it uses less digits than its factorization.

431432425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556728 (or 556723 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 431432425 is about 20770.9514707439. The cubic root of 431432425 is about 755.6214201721.

Adding to 431432425 its reverse (524234134), we get a palindrome (955666559).

The spelling of 431432425 in words is "four hundred thirty-one million, four hundred thirty-two thousand, four hundred twenty-five".