32144401 has 2 divisors, whose sum is σ = 32144402. Its totient is φ = 32144400.

The previous prime is 32144393. The next prime is 32144407. The reversal of 32144401 is 10444123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22316176 + 9828225 = 4724^2 + 3135^2 .

It is an emirp because it is prime and its reverse (10444123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32144401 - 2³ = 32144393 is a prime.

It is not a weakly prime, because it can be changed into another prime (32144407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16072200 + 16072201.

It is an arithmetic number, because the mean of its divisors is an integer number (16072201).

Almost surely, 2^32144401 is an apocalyptic number.

It is an amenable number.

32144401 is a deficient number, since it is larger than the sum of its proper divisors (1).

32144401 is an equidigital number, since it uses as much as digits as its factorization.

32144401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 32144401 is about 5669.6032489055. The cubic root of 32144401 is about 317.9570403315.

Adding to 32144401 its reverse (10444123), we get a palindrome (42588524).

The spelling of 32144401 in words is "thirty-two million, one hundred forty-four thousand, four hundred one".