32478025 has 24 divisors (see below), whose sum is σ = 41559840. Its totient is φ = 25167360.

The previous prime is 32478023. The next prime is 32478037. The reversal of 32478025 is 52087423.

It is not a de Polignac number, because 32478025 - 2¹ = 32478023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32478023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142962 + ... + 143188.

It is an arithmetic number, because the mean of its divisors is an integer number (1731660).

Almost surely, 2^32478025 is an apocalyptic number.

It is an amenable number.

32478025 is a deficient number, since it is larger than the sum of its proper divisors (9081815).

32478025 is a wasteful number, since it uses less digits than its factorization.

32478025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 32478025 is about 5698.9494645943. The cubic root of 32478025 is about 319.0532728121.

The spelling of 32478025 in words is "thirty-two million, four hundred seventy-eight thousand, twenty-five".