32130401 has 4 divisors (see below), whose sum is σ = 32211732. Its totient is φ = 32049072.

The previous prime is 32130367. The next prime is 32130407. The reversal of 32130401 is 10403123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17230801 + 14899600 = 4151^2 + 3860^2 .

It is a cyclic number.

It is not a de Polignac number, because 32130401 - 2⁶ = 32130337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32130407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40070 + ... + 40863.

It is an arithmetic number, because the mean of its divisors is an integer number (8052933).

Almost surely, 2^32130401 is an apocalyptic number.

It is an amenable number.

32130401 is a deficient number, since it is larger than the sum of its proper divisors (81331).

32130401 is an equidigital number, since it uses as much as digits as its factorization.

32130401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81330.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 32130401 is about 5668.3684601479. The cubic root of 32130401 is about 317.9108731937.

Adding to 32130401 its reverse (10403123), we get a palindrome (42533524).

The spelling of 32130401 in words is "thirty-two million, one hundred thirty thousand, four hundred one".