32130861 has 16 divisors (see below), whose sum is σ = 49065600. Its totient is φ = 18321408.

The previous prime is 32130851. The next prime is 32130871. The reversal of 32130861 is 16803123.

It is an interprime number because it is at equal distance from previous prime (32130851) and next prime (32130871).

It is not a de Polignac number, because 32130861 - 2⁵ = 32130829 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32130821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10605 + ... + 13293.

It is an arithmetic number, because the mean of its divisors is an integer number (3066600).

Almost surely, 2^32130861 is an apocalyptic number.

It is an amenable number.

32130861 is a deficient number, since it is larger than the sum of its proper divisors (16934739).

32130861 is a wasteful number, since it uses less digits than its factorization.

32130861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 32130861 is about 5668.4090360524. The cubic root of 32130861 is about 317.9123903270.

Adding to 32130861 its reverse (16803123), we get a palindrome (48933984).

The spelling of 32130861 in words is "thirty-two million, one hundred thirty thousand, eight hundred sixty-one".