64375901 has 2 divisors, whose sum is σ = 64375902. Its totient is φ = 64375900.

The previous prime is 64375849. The next prime is 64375931. The reversal of 64375901 is 10957346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39075001 + 25300900 = 6251^2 + 5030^2 .

It is a cyclic number.

It is not a de Polignac number, because 64375901 - 2¹⁸ = 64113757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64375931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32187950 + 32187951.

It is an arithmetic number, because the mean of its divisors is an integer number (32187951).

Almost surely, 2^64375901 is an apocalyptic number.

It is an amenable number.

64375901 is a deficient number, since it is larger than the sum of its proper divisors (1).

64375901 is an equidigital number, since it uses as much as digits as its factorization.

64375901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 64375901 is about 8023.4594159876. The cubic root of 64375901 is about 400.7815988467.

The spelling of 64375901 in words is "sixty-four million, three hundred seventy-five thousand, nine hundred one".