32457925 has 6 divisors (see below), whose sum is σ = 40247858. Its totient is φ = 25966320.

The previous prime is 32457923. The next prime is 32457979. The reversal of 32457925 is 52975423.

It can be written as a sum of positive squares in 3 ways, for example, as 2116 + 32455809 = 46^2 + 5697^2 .

It is not a de Polignac number, because 32457925 - 2¹ = 32457923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32457923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 649134 + ... + 649183.

Almost surely, 2^32457925 is an apocalyptic number.

It is an amenable number.

32457925 is a deficient number, since it is larger than the sum of its proper divisors (7789933).

32457925 is a wasteful number, since it uses less digits than its factorization.

32457925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298327 (or 1298322 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 32457925 is about 5697.1857087513. The cubic root of 32457925 is about 318.9874406667.

The spelling of 32457925 in words is "thirty-two million, four hundred fifty-seven thousand, nine hundred twenty-five".