65274163 has 4 divisors (see below), whose sum is σ = 65690080. Its totient is φ = 64858248.

The previous prime is 65274151. The next prime is 65274199. The reversal of 65274163 is 36147256.

It is a happy number.

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 65274163 - 2²⁵ = 31719731 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65274133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207723 + ... + 208036.

It is an arithmetic number, because the mean of its divisors is an integer number (16422520).

Almost surely, 2^65274163 is an apocalyptic number.

65274163 is a deficient number, since it is larger than the sum of its proper divisors (415917).

65274163 is a wasteful number, since it uses less digits than its factorization.

65274163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415916.

The product of its digits is 30240, while the sum is 34.

The square root of 65274163 is about 8079.2427244142. The cubic root of 65274163 is about 402.6370825334.

The spelling of 65274163 in words is "sixty-five million, two hundred seventy-four thousand, one hundred sixty-three".