32505001 has 2 divisors, whose sum is σ = 32505002. Its totient is φ = 32505000.

The previous prime is 32504993. The next prime is 32505017. The reversal of 32505001 is 10050523.

It is an a-pointer prime, because the next prime (32505017) can be obtained adding 32505001 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32501401 + 3600 = 5701^2 + 60^2 .

It is a cyclic number.

It is not a de Polignac number, because 32505001 - 2³ = 32504993 is a prime.

It is not a weakly prime, because it can be changed into another prime (32505091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16252500 + 16252501.

It is an arithmetic number, because the mean of its divisors is an integer number (16252501).

Almost surely, 2^32505001 is an apocalyptic number.

It is an amenable number.

32505001 is a deficient number, since it is larger than the sum of its proper divisors (1).

32505001 is an equidigital number, since it uses as much as digits as its factorization.

32505001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 32505001 is about 5701.3157253392. The cubic root of 32505001 is about 319.1415827722.

Adding to 32505001 its reverse (10050523), we get a palindrome (42555524).

The spelling of 32505001 in words is "thirty-two million, five hundred five thousand, one".