32505425 has 12 divisors (see below), whose sum is σ = 41397276. Its totient is φ = 25300800.

The previous prime is 32505413. The next prime is 32505427. The reversal of 32505425 is 52450523.

It can be written as a sum of positive squares in 6 ways, for example, as 61009 + 32444416 = 247^2 + 5696^2 .

It is not a de Polignac number, because 32505425 - 2²⁰ = 31456849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32505394 and 32505403.

It is not an unprimeable number, because it can be changed into a prime (32505427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16646 + ... + 18495.

It is an arithmetic number, because the mean of its divisors is an integer number (3449773).

Almost surely, 2^32505425 is an apocalyptic number.

It is an amenable number.

32505425 is a deficient number, since it is larger than the sum of its proper divisors (8891851).

32505425 is a wasteful number, since it uses less digits than its factorization.

32505425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35188 (or 35183 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 32505425 is about 5701.3529096172. The cubic root of 32505425 is about 319.1429704094.

Adding to 32505425 its reverse (52450523), we get a palindrome (84955948).

The spelling of 32505425 in words is "thirty-two million, five hundred five thousand, four hundred twenty-five".