64361305 has 8 divisors (see below), whose sum is σ = 77310792. Its totient is φ = 51437568.

The previous prime is 64361273. The next prime is 64361317. The reversal of 64361305 is 50316346.

It can be written as a sum of positive squares in 4 ways, for example, as 30349081 + 34012224 = 5509^2 + 5832^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64361305 - 2⁵ = 64361273 is a prime.

It is a Duffinian 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, 424 + ... + 11353.

It is an arithmetic number, because the mean of its divisors is an integer number (9663849).

Almost surely, 2^64361305 is an apocalyptic number.

It is an amenable number.

64361305 is a deficient number, since it is larger than the sum of its proper divisors (12949487).

64361305 is a wasteful number, since it uses less digits than its factorization.

64361305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12875.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 64361305 is about 8022.5497817091. The cubic root of 64361305 is about 400.7513067121.

The spelling of 64361305 in words is "sixty-four million, three hundred sixty-one thousand, three hundred five".