32001961 has 2 divisors, whose sum is σ = 32001962. Its totient is φ = 32001960.

The previous prime is 32001943. The next prime is 32001979. The reversal of 32001961 is 16910023.

It is a balanced prime because it is at equal distance from previous prime (32001943) and next prime (32001979).

It can be written as a sum of positive squares in only one way, i.e., 27405225 + 4596736 = 5235^2 + 2144^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32001961 is a prime.

It is not a weakly prime, because it can be changed into another prime (32001911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16000980 + 16000981.

It is an arithmetic number, because the mean of its divisors is an integer number (16000981).

Almost surely, 2^32001961 is an apocalyptic number.

It is an amenable number.

32001961 is a deficient number, since it is larger than the sum of its proper divisors (1).

32001961 is an equidigital number, since it uses as much as digits as its factorization.

32001961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 32001961 is about 5657.0275763867. The cubic root of 32001961 is about 317.4866954559.

Adding to 32001961 its reverse (16910023), we get a palindrome (48911984).

The spelling of 32001961 in words is "thirty-two million, one thousand, nine hundred sixty-one".