64043125 has 20 divisors (see below), whose sum is σ = 81923776. Its totient is φ = 50022000.

The previous prime is 64043113. The next prime is 64043137. The reversal of 64043125 is 52134046.

It is an interprime number because it is at equal distance from previous prime (64043113) and next prime (64043137).

It is not a de Polignac number, because 64043125 - 2¹⁹ = 63518837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64043125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25684 + ... + 28066.

Almost surely, 2^64043125 is an apocalyptic number.

It is an amenable number.

64043125 is a deficient number, since it is larger than the sum of its proper divisors (17880651).

64043125 is an equidigital number, since it uses as much as digits as its factorization.

64043125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446 (or 2431 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 64043125 is about 8002.6948586086. The cubic root of 64043125 is about 400.0898235778.

The spelling of 64043125 in words is "sixty-four million, forty-three thousand, one hundred twenty-five".