64321125 has 64 divisors (see below), whose sum is σ = 120766464. Its totient is φ = 30120000.

The previous prime is 64321079. The next prime is 64321141. The reversal of 64321125 is 52112346.

It is not a de Polignac number, because 64321125 - 2¹⁶ = 64255589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64321095 and 64321104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 127624 + ... + 128126.

It is an arithmetic number, because the mean of its divisors is an integer number (1886976).

Almost surely, 2^64321125 is an apocalyptic number.

It is an amenable number.

64321125 is a deficient number, since it is larger than the sum of its proper divisors (56445339).

64321125 is a wasteful number, since it uses less digits than its factorization.

64321125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 553 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 64321125 is about 8020.0451993739. The cubic root of 64321125 is about 400.6678945880.

It can be divided in two parts, 64321 and 125, that added together give a palindrome (64446).

The spelling of 64321125 in words is "sixty-four million, three hundred twenty-one thousand, one hundred twenty-five".