32140225 has 12 divisors (see below), whose sum is σ = 42919996. Its totient is φ = 23734080.

The previous prime is 32140219. The next prime is 32140231. The reversal of 32140225 is 52204123.

It is an interprime number because it is at equal distance from previous prime (32140219) and next prime (32140231).

It can be written as a sum of positive squares in 6 ways, for example, as 5607424 + 26532801 = 2368^2 + 5151^2 .

It is not a de Polignac number, because 32140225 - 2⁹ = 32139713 is a prime.

It is a super-3 number, since 3×32140225³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49122 + ... + 49771.

Almost surely, 2^32140225 is an apocalyptic number.

It is an amenable number.

32140225 is a deficient number, since it is larger than the sum of its proper divisors (10779771).

32140225 is a wasteful number, since it uses less digits than its factorization.

32140225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98916 (or 98911 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 32140225 is about 5669.2349572054. The cubic root of 32140225 is about 317.9432707370.

Adding to 32140225 its reverse (52204123), we get a palindrome (84344348).

The spelling of 32140225 in words is "thirty-two million, one hundred forty thousand, two hundred twenty-five".