65172801 has 8 divisors (see below), whose sum is σ = 87014304. Its totient is φ = 43389920.

The previous prime is 65172769. The next prime is 65172841. The reversal of 65172801 is 10827156.

65172801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 65172801 - 2⁵ = 65172769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65172841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11991 + ... + 16556.

It is an arithmetic number, because the mean of its divisors is an integer number (10876788).

Almost surely, 2^65172801 is an apocalyptic number.

It is an amenable number.

65172801 is a deficient number, since it is larger than the sum of its proper divisors (21841503).

65172801 is a wasteful number, since it uses less digits than its factorization.

65172801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29311.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 65172801 is about 8072.9672983358. The cubic root of 65172801 is about 402.4285608072.

Adding to 65172801 its reverse (10827156), we get a palindrome (75999957).

The spelling of 65172801 in words is "sixty-five million, one hundred seventy-two thousand, eight hundred one".