64584005 has 12 divisors (see below), whose sum is σ = 80087436. Its totient is φ = 49996800.

The previous prime is 64583999. The next prime is 64584011. The reversal of 64584005 is 50048546.

It is an interprime number because it is at equal distance from previous prime (64583999) and next prime (64584011).

It can be written as a sum of positive squares in 2 ways, for example, as 15499969 + 49084036 = 3937^2 + 7006^2 .

It is not a de Polignac number, because 64584005 - 2⁴ = 64583989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1916 + ... + 11525.

It is an arithmetic number, because the mean of its divisors is an integer number (6673953).

Almost surely, 2^64584005 is an apocalyptic number.

It is an amenable number.

64584005 is a deficient number, since it is larger than the sum of its proper divisors (15503431).

64584005 is a wasteful number, since it uses less digits than its factorization.

64584005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13508 (or 13477 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 64584005 is about 8036.4174232054. The cubic root of 64584005 is about 401.2129949731.

The spelling of 64584005 in words is "sixty-four million, five hundred eighty-four thousand, five".