32641409 has 2 divisors, whose sum is σ = 32641410. Its totient is φ = 32641408.

The previous prime is 32641369. The next prime is 32641417. The reversal of 32641409 is 90414623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28858384 + 3783025 = 5372^2 + 1945^2 .

It is a cyclic number.

It is not a de Polignac number, because 32641409 - 2¹² = 32637313 is a prime.

It is not a weakly prime, because it can be changed into another prime (32641909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16320704 + 16320705.

It is an arithmetic number, because the mean of its divisors is an integer number (16320705).

Almost surely, 2^32641409 is an apocalyptic number.

It is an amenable number.

32641409 is a deficient number, since it is larger than the sum of its proper divisors (1).

32641409 is an equidigital number, since it uses as much as digits as its factorization.

32641409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 32641409 is about 5713.2660536684. The cubic root of 32641409 is about 319.5873881238.

The spelling of 32641409 in words is "thirty-two million, six hundred forty-one thousand, four hundred nine".