65432057 has 2 divisors, whose sum is σ = 65432058. Its totient is φ = 65432056.

The previous prime is 65432053. The next prime is 65432071. The reversal of 65432057 is 75023456.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58308496 + 7123561 = 7636^2 + 2669^2 .

It is a cyclic number.

It is not a de Polignac number, because 65432057 - 2² = 65432053 is a prime.

It is not a weakly prime, because it can be changed into another prime (65432053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32716028 + 32716029.

It is an arithmetic number, because the mean of its divisors is an integer number (32716029).

Almost surely, 2^65432057 is an apocalyptic number.

It is an amenable number.

65432057 is a deficient number, since it is larger than the sum of its proper divisors (1).

65432057 is an equidigital number, since it uses as much as digits as its factorization.

65432057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 65432057 is about 8089.0084064736. The cubic root of 65432057 is about 402.9614721791.

The spelling of 65432057 in words is "sixty-five million, four hundred thirty-two thousand, fifty-seven".