32976521 has 2 divisors, whose sum is σ = 32976522. Its totient is φ = 32976520.

The previous prime is 32976511. The next prime is 32976523. The reversal of 32976521 is 12567923.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16687225 + 16289296 = 4085^2 + 4036^2 .

It is a cyclic number.

It is not a de Polignac number, because 32976521 - 2¹⁸ = 32714377 is a prime.

Together with 32976523, 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 (32976523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16488260 + 16488261.

It is an arithmetic number, because the mean of its divisors is an integer number (16488261).

Almost surely, 2^32976521 is an apocalyptic number.

It is an amenable number.

32976521 is a deficient number, since it is larger than the sum of its proper divisors (1).

32976521 is an equidigital number, since it uses as much as digits as its factorization.

32976521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 35.

The square root of 32976521 is about 5742.5186982717. The cubic root of 32976521 is about 320.6773445489.

The spelling of 32976521 in words is "thirty-two million, nine hundred seventy-six thousand, five hundred twenty-one".