64015195 has 4 divisors (see below), whose sum is σ = 76818240. Its totient is φ = 51212152.

The previous prime is 64015181. The next prime is 64015207. The reversal of 64015195 is 59151046.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64015195 - 2⁵ = 64015163 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 6401515 + ... + 6401524.

It is an arithmetic number, because the mean of its divisors is an integer number (19204560).

Almost surely, 2^64015195 is an apocalyptic number.

64015195 is a deficient number, since it is larger than the sum of its proper divisors (12803045).

64015195 is a wasteful number, since it uses less digits than its factorization.

64015195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12803044.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 64015195 is about 8000.9496311375. The cubic root of 64015195 is about 400.0316537450.

The spelling of 64015195 in words is "sixty-four million, fifteen thousand, one hundred ninety-five".