32016401 has 2 divisors, whose sum is σ = 32016402. Its totient is φ = 32016400.

The previous prime is 32016373. The next prime is 32016431. The reversal of 32016401 is 10461023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30691600 + 1324801 = 5540^2 + 1151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32016401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32016401.

It is not a weakly prime, because it can be changed into another prime (32016431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16008200 + 16008201.

It is an arithmetic number, because the mean of its divisors is an integer number (16008201).

Almost surely, 2^32016401 is an apocalyptic number.

It is an amenable number.

32016401 is a deficient number, since it is larger than the sum of its proper divisors (1).

32016401 is an equidigital number, since it uses as much as digits as its factorization.

32016401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 32016401 is about 5658.3037210811. The cubic root of 32016401 is about 317.5344406395.

Adding to 32016401 its reverse (10461023), we get a palindrome (42477424).

It can be divided in two parts, 3201 and 6401, that multiplied together give a triangular number (20489601 = T₆₄₀₁).

The spelling of 32016401 in words is "thirty-two million, sixteen thousand, four hundred one".