64432801 has 2 divisors, whose sum is σ = 64432802. Its totient is φ = 64432800.

The previous prime is 64432777. The next prime is 64432807. The reversal of 64432801 is 10823446.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35283600 + 29149201 = 5940^2 + 5399^2 .

It is a cyclic number.

It is not a de Polignac number, because 64432801 - 2⁷ = 64432673 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64432801.

It is not a weakly prime, because it can be changed into another prime (64432807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32216400 + 32216401.

It is an arithmetic number, because the mean of its divisors is an integer number (32216401).

Almost surely, 2^64432801 is an apocalyptic number.

It is an amenable number.

64432801 is a deficient number, since it is larger than the sum of its proper divisors (1).

64432801 is an equidigital number, since it uses as much as digits as its factorization.

64432801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 64432801 is about 8027.0044848623. The cubic root of 64432801 is about 400.8996438355.

The spelling of 64432801 in words is "sixty-four million, four hundred thirty-two thousand, eight hundred one".