32403425 has 6 divisors (see below), whose sum is σ = 40180278. Its totient is φ = 25922720.

The previous prime is 32403421. The next prime is 32403431. The reversal of 32403425 is 52430423.

It can be written as a sum of positive squares in 3 ways, for example, as 7011904 + 25391521 = 2648^2 + 5039^2 .

It is not a de Polignac number, because 32403425 - 2² = 32403421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32403425.

It is not an unprimeable number, because it can be changed into a prime (32403421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 648044 + ... + 648093.

It is an arithmetic number, because the mean of its divisors is an integer number (6696713).

Almost surely, 2^32403425 is an apocalyptic number.

It is an amenable number.

32403425 is a deficient number, since it is larger than the sum of its proper divisors (7776853).

32403425 is a wasteful number, since it uses less digits than its factorization.

32403425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296147 (or 1296142 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 32403425 is about 5692.4006359356. The cubic root of 32403425 is about 318.8088037096.

Adding to 32403425 its reverse (52430423), we get a palindrome (84833848).

The spelling of 32403425 in words is "thirty-two million, four hundred three thousand, four hundred twenty-five".