64250001 has 24 divisors (see below), whose sum is σ = 99047520. Its totient is φ = 40015296.

The previous prime is 64249981. The next prime is 64250009. The reversal of 64250001 is 10005246.

It is a happy number.

It is not a de Polignac number, because 64250001 - 2⁶ = 64249937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64250009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9910 + ... + 15056.

It is an arithmetic number, because the mean of its divisors is an integer number (4126980).

Almost surely, 2^64250001 is an apocalyptic number.

It is an amenable number.

64250001 is a deficient number, since it is larger than the sum of its proper divisors (34797519).

64250001 is a wasteful number, since it uses less digits than its factorization.

64250001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5245 (or 5242 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 64250001 is about 8015.6098333190. The cubic root of 64250001 is about 400.5201587108.

Adding to 64250001 its reverse (10005246), we get a palindrome (74255247).

The spelling of 64250001 in words is "sixty-four million, two hundred fifty thousand, one".