32101961 has 2 divisors, whose sum is σ = 32101962. Its totient is φ = 32101960.

The previous prime is 32101939. The next prime is 32101973. The reversal of 32101961 is 16910123.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20839225 + 11262736 = 4565^2 + 3356^2 .

It is an emirp because it is prime and its reverse (16910123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32101961 - 2⁶ = 32101897 is a prime.

It is not a weakly prime, because it can be changed into another prime (32101931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16050980 + 16050981.

It is an arithmetic number, because the mean of its divisors is an integer number (16050981).

Almost surely, 2^32101961 is an apocalyptic number.

It is an amenable number.

32101961 is a deficient number, since it is larger than the sum of its proper divisors (1).

32101961 is an equidigital number, since it uses as much as digits as its factorization.

32101961 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 23.

The square root of 32101961 is about 5665.8592463986. The cubic root of 32101961 is about 317.8170466421.

The spelling of 32101961 in words is "thirty-two million, one hundred one thousand, nine hundred sixty-one".