32160625 has 20 divisors (see below), whose sum is σ = 45935296. Its totient is φ = 22050000.

The previous prime is 32160599. The next prime is 32160637. The reversal of 32160625 is 52606123.

It is not a de Polignac number, because 32160625 - 2⁷ = 32160497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 32160625.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 700 + ... + 8050.

Almost surely, 2^32160625 is an apocalyptic number.

32160625 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

32160625 is a deficient number, since it is larger than the sum of its proper divisors (13774671).

32160625 is an frugal number, since it uses more digits than its factorization.

32160625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7378 (or 7363 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 32160625 is about 5671.0338563616. The cubic root of 32160625 is about 318.0105246836.

Adding to 32160625 its reverse (52606123), we get a palindrome (84766748).

The spelling of 32160625 in words is "thirty-two million, one hundred sixty thousand, six hundred twenty-five".