64459025 has 24 divisors (see below), whose sum is σ = 83982720. Its totient is φ = 49008960.

The previous prime is 64459009. The next prime is 64459033. The reversal of 64459025 is 52095446.

It is a happy number.

64459025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64459025 - 2⁴ = 64459009 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 47912 + ... + 49238.

It is an arithmetic number, because the mean of its divisors is an integer number (3499280).

Almost surely, 2^64459025 is an apocalyptic number.

It is an amenable number.

64459025 is a deficient number, since it is larger than the sum of its proper divisors (19523695).

64459025 is a wasteful number, since it uses less digits than its factorization.

64459025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433 (or 1428 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 64459025 is about 8028.6378047587. The cubic root of 64459025 is about 400.9540248657.

The spelling of 64459025 in words is "sixty-four million, four hundred fifty-nine thousand, twenty-five".