64052489 has 4 divisors (see below), whose sum is σ = 64863360. Its totient is φ = 63241620.

The previous prime is 64052459. The next prime is 64052491. The reversal of 64052489 is 98425046.

64052489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98425046 = 2 ⋅49212523.

It is a cyclic number.

It is not a de Polignac number, because 64052489 - 2²⁴ = 47275273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64052419) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 405317 + ... + 405474.

It is an arithmetic number, because the mean of its divisors is an integer number (16215840).

Almost surely, 2^64052489 is an apocalyptic number.

It is an amenable number.

64052489 is a deficient number, since it is larger than the sum of its proper divisors (810871).

64052489 is an equidigital number, since it uses as much as digits as its factorization.

64052489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810870.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 64052489 is about 8003.2798901450. The cubic root of 64052489 is about 400.1093222023.

The spelling of 64052489 in words is "sixty-four million, fifty-two thousand, four hundred eighty-nine".