32161425 has 24 divisors (see below), whose sum is σ = 54475680. Its totient is φ = 16732800.

The previous prime is 32161411. The next prime is 32161427. The reversal of 32161425 is 52416123.

It is not a de Polignac number, because 32161425 - 2⁸ = 32161169 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 32161395 and 32161404.

It is not an unprimeable number, because it can be changed into a prime (32161427) 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, 2155 + ... + 8304.

It is an arithmetic number, because the mean of its divisors is an integer number (2269820).

Almost surely, 2^32161425 is an apocalyptic number.

It is an amenable number.

32161425 is a deficient number, since it is larger than the sum of its proper divisors (22314255).

32161425 is a wasteful number, since it uses less digits than its factorization.

32161425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10513 (or 10508 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 32161425 is about 5671.1043897992. The cubic root of 32161425 is about 318.0131615137.

Adding to 32161425 its reverse (52416123), we get a palindrome (84577548).

The spelling of 32161425 in words is "thirty-two million, one hundred sixty-one thousand, four hundred twenty-five".