32140825 has 6 divisors (see below), whose sum is σ = 39854654. Its totient is φ = 25712640.

The previous prime is 32140811. The next prime is 32140847. The reversal of 32140825 is 52804123.

It can be written as a sum of positive squares in 3 ways, for example, as 2143296 + 29997529 = 1464^2 + 5477^2 .

It is not a de Polignac number, because 32140825 - 2⁵ = 32140793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 1285633 = 32140825 / (3 + 2 + 1 + 4 + 0 + 8 + 2 + 5).

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 32140825.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 642792 + ... + 642841.

Almost surely, 2^32140825 is an apocalyptic number.

It is an amenable number.

32140825 is a deficient number, since it is larger than the sum of its proper divisors (7713829).

32140825 is a wasteful number, since it uses less digits than its factorization.

32140825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285643 (or 1285638 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 32140825 is about 5669.2878741514. The cubic root of 32140825 is about 317.9452492003.

Adding to 32140825 its reverse (52804123), we get a palindrome (84944948).

The spelling of 32140825 in words is "thirty-two million, one hundred forty thousand, eight hundred twenty-five".