64023577 has 2 divisors, whose sum is σ = 64023578. Its totient is φ = 64023576.

The previous prime is 64023571. The next prime is 64023601. The reversal of 64023577 is 77532046.

It is a happy number.

64023577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47734281 + 16289296 = 6909^2 + 4036^2 .

It is a cyclic number.

It is not a de Polignac number, because 64023577 - 2³ = 64023569 is a prime.

It is not a weakly prime, because it can be changed into another prime (64023571) 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, 32011788 + 32011789.

It is an arithmetic number, because the mean of its divisors is an integer number (32011789).

Almost surely, 2^64023577 is an apocalyptic number.

It is an amenable number.

64023577 is a deficient number, since it is larger than the sum of its proper divisors (1).

64023577 is an equidigital number, since it uses as much as digits as its factorization.

64023577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 64023577 is about 8001.4734268133. The cubic root of 64023577 is about 400.0491127196.

The spelling of 64023577 in words is "sixty-four million, twenty-three thousand, five hundred seventy-seven".