32660401 has 2 divisors, whose sum is σ = 32660402. Its totient is φ = 32660400.

The previous prime is 32660399. The next prime is 32660429. The reversal of 32660401 is 10406623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18792225 + 13868176 = 4335^2 + 3724^2 .

It is a cyclic number.

It is not a de Polignac number, because 32660401 - 2¹ = 32660399 is a prime.

Together with 32660399, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32660461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16330200 + 16330201.

It is an arithmetic number, because the mean of its divisors is an integer number (16330201).

Almost surely, 2^32660401 is an apocalyptic number.

It is an amenable number.

32660401 is a deficient number, since it is larger than the sum of its proper divisors (1).

32660401 is an equidigital number, since it uses as much as digits as its factorization.

32660401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 32660401 is about 5714.9279085567. The cubic root of 32660401 is about 319.6493587624.

The spelling of 32660401 in words is "thirty-two million, six hundred sixty thousand, four hundred one".