32145629 has 2 divisors, whose sum is σ = 32145630. Its totient is φ = 32145628.

The previous prime is 32145583. The next prime is 32145647. The reversal of 32145629 is 92654123.

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., 28622500 + 3523129 = 5350^2 + 1877^2 .

It is a cyclic number.

It is not a de Polignac number, because 32145629 - 2²⁴ = 15368413 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 32145595 and 32145604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32145229) 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, 16072814 + 16072815.

It is an arithmetic number, because the mean of its divisors is an integer number (16072815).

Almost surely, 2^32145629 is an apocalyptic number.

It is an amenable number.

32145629 is a deficient number, since it is larger than the sum of its proper divisors (1).

32145629 is an equidigital number, since it uses as much as digits as its factorization.

32145629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 32.

The square root of 32145629 is about 5669.7115446908. The cubic root of 32145629 is about 317.9610892095.

The spelling of 32145629 in words is "thirty-two million, one hundred forty-five thousand, six hundred twenty-nine".