32431425 has 96 divisors (see below), whose sum is σ = 63329280. Its totient is φ = 14515200.

The previous prime is 32431387. The next prime is 32431433. The reversal of 32431425 is 52413423.

It is not a de Polignac number, because 32431425 - 2⁹ = 32430913 is a prime.

It is a super-3 number, since 3×32431425³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32431395 and 32431404.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 876507 + ... + 876543.

It is an arithmetic number, because the mean of its divisors is an integer number (659680).

Almost surely, 2^32431425 is an apocalyptic number.

32431425 is the 4650-th pentagonal number.

It is an amenable number.

32431425 is a deficient number, since it is larger than the sum of its proper divisors (30897855).

32431425 is a wasteful number, since it uses less digits than its factorization.

32431425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 118 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 32431425 is about 5694.8595241674. The cubic root of 32431425 is about 318.9006054924.

Adding to 32431425 its reverse (52413423), we get a palindrome (84844848).

The spelling of 32431425 in words is "thirty-two million, four hundred thirty-one thousand, four hundred twenty-five".