32420425 has 6 divisors (see below), whose sum is σ = 40201358. Its totient is φ = 25936320.

The previous prime is 32420417. The next prime is 32420431. The reversal of 32420425 is 52402423.

It can be written as a sum of positive squares in 3 ways, for example, as 67081 + 32353344 = 259^2 + 5688^2 .

It is not a de Polignac number, because 32420425 - 2³ = 32420417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32420396 and 32420405.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 648384 + ... + 648433.

Almost surely, 2^32420425 is an apocalyptic number.

It is an amenable number.

32420425 is a deficient number, since it is larger than the sum of its proper divisors (7780933).

32420425 is a wasteful number, since it uses less digits than its factorization.

32420425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296827 (or 1296822 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 32420425 is about 5693.8936590000. The cubic root of 32420425 is about 318.8645468102.

Adding to 32420425 its reverse (52402423), we get a palindrome (84822848).

The spelling of 32420425 in words is "thirty-two million, four hundred twenty thousand, four hundred twenty-five".