64484605 has 4 divisors (see below), whose sum is σ = 77381532. Its totient is φ = 51587680.

The previous prime is 64484597. The next prime is 64484633. The reversal of 64484605 is 50648446.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50648446 = 2 ⋅25324223.

It can be written as a sum of positive squares in 2 ways, for example, as 39614436 + 24870169 = 6294^2 + 4987^2 .

It is not a de Polignac number, because 64484605 - 2³ = 64484597 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 3 ways as a sum of consecutive naturals, for example, 6448456 + ... + 6448465.

It is an arithmetic number, because the mean of its divisors is an integer number (19345383).

Almost surely, 2^64484605 is an apocalyptic number.

It is an amenable number.

64484605 is a deficient number, since it is larger than the sum of its proper divisors (12896927).

64484605 is a wasteful number, since it uses less digits than its factorization.

64484605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12896926.

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 64484605 is about 8030.2306940710. The cubic root of 64484605 is about 401.0070562167.

The spelling of 64484605 in words is "sixty-four million, four hundred eighty-four thousand, six hundred five".