32217425 has 6 divisors (see below), whose sum is σ = 39949638. Its totient is φ = 25773920.

The previous prime is 32217391. The next prime is 32217443. The reversal of 32217425 is 52471223.

It can be written as a sum of positive squares in 3 ways, for example, as 452929 + 31764496 = 673^2 + 5636^2 .

It is not a de Polignac number, because 32217425 - 2⁸ = 32217169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32217394 and 32217403.

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, 644324 + ... + 644373.

It is an arithmetic number, because the mean of its divisors is an integer number (6658273).

Almost surely, 2^32217425 is an apocalyptic number.

It is an amenable number.

32217425 is a deficient number, since it is larger than the sum of its proper divisors (7732213).

32217425 is a wasteful number, since it uses less digits than its factorization.

32217425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288707 (or 1288702 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 32217425 is about 5676.0395523640. The cubic root of 32217425 is about 318.1976310632.

Adding to 32217425 its reverse (52471223), we get a palindrome (84688648).

The spelling of 32217425 in words is "thirty-two million, two hundred seventeen thousand, four hundred twenty-five".