64044125 has 8 divisors (see below), whose sum is σ = 79927224. Its totient is φ = 51235200.

The previous prime is 64044119. The next prime is 64044131. The reversal of 64044125 is 52144046.

It is an interprime number because it is at equal distance from previous prime (64044119) and next prime (64044131).

It can be written as a sum of positive squares in 4 ways, for example, as 395641 + 63648484 = 629^2 + 7978^2 .

It is not a de Polignac number, because 64044125 - 2¹⁰ = 64043101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64044094 and 64044103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256052 + ... + 256301.

It is an arithmetic number, because the mean of its divisors is an integer number (9990903).

Almost surely, 2^64044125 is an apocalyptic number.

It is an amenable number.

64044125 is a deficient number, since it is larger than the sum of its proper divisors (15883099).

64044125 is an equidigital number, since it uses as much as digits as its factorization.

64044125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512368 (or 512358 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 64044125 is about 8002.7573373182. The cubic root of 64044125 is about 400.0919059650.

The spelling of 64044125 in words is "sixty-four million, forty-four thousand, one hundred twenty-five".