32530401 has 24 divisors (see below), whose sum is σ = 50080680. Its totient is φ = 20276736.

The previous prime is 32530369. The next prime is 32530409. The reversal of 32530401 is 10403523.

It can be written as a sum of positive squares in 4 ways, for example, as 26255376 + 6275025 = 5124^2 + 2505^2 .

It is not a de Polignac number, because 32530401 - 2⁵ = 32530369 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (32530409) 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, 25855 + ... + 27083.

It is an arithmetic number, because the mean of its divisors is an integer number (2086695).

Almost surely, 2^32530401 is an apocalyptic number.

It is an amenable number.

32530401 is a deficient number, since it is larger than the sum of its proper divisors (17550279).

32530401 is a wasteful number, since it uses less digits than its factorization.

32530401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1422 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 32530401 is about 5703.5428463368. The cubic root of 32530401 is about 319.2246888115.

Adding to 32530401 its reverse (10403523), we get a palindrome (42933924).

The spelling of 32530401 in words is "thirty-two million, five hundred thirty thousand, four hundred one".