64001953 has 4 divisors (see below), whose sum is σ = 64047280. Its totient is φ = 63956628.

The previous prime is 64001941. The next prime is 64002061. The reversal of 64001953 is 35910046.

64001953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64001953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64007953) 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 in 3 ways as a sum of consecutive naturals, for example, 20475 + ... + 23392.

It is an arithmetic number, because the mean of its divisors is an integer number (16011820).

Almost surely, 2^64001953 is an apocalyptic number.

It is an amenable number.

64001953 is a deficient number, since it is larger than the sum of its proper divisors (45327).

64001953 is a wasteful number, since it uses less digits than its factorization.

64001953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45326.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 64001953 is about 8000.1220615688. The cubic root of 64001953 is about 400.0040687086.

Adding to 64001953 its reverse (35910046), we get a palindrome (99911999).

The spelling of 64001953 in words is "sixty-four million, one thousand, nine hundred fifty-three".