32507641 has 2 divisors, whose sum is σ = 32507642. Its totient is φ = 32507640.

The previous prime is 32507633. The next prime is 32507647. The reversal of 32507641 is 14670523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31136400 + 1371241 = 5580^2 + 1171^2 .

It is a cyclic number.

It is not a de Polignac number, because 32507641 - 2³ = 32507633 is a prime.

It is not a weakly prime, because it can be changed into another prime (32507647) 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, 16253820 + 16253821.

It is an arithmetic number, because the mean of its divisors is an integer number (16253821).

Almost surely, 2^32507641 is an apocalyptic number.

It is an amenable number.

32507641 is a deficient number, since it is larger than the sum of its proper divisors (1).

32507641 is an equidigital number, since it uses as much as digits as its factorization.

32507641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 32507641 is about 5701.5472461429. The cubic root of 32507641 is about 319.1502225809.

The spelling of 32507641 in words is "thirty-two million, five hundred seven thousand, six hundred forty-one".