64812801 has 4 divisors (see below), whose sum is σ = 86417072. Its totient is φ = 43208532.

The previous prime is 64812793. The next prime is 64812809. The reversal of 64812801 is 10821846.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (64812793) and next prime (64812809).

It is not a de Polignac number, because 64812801 - 2³ = 64812793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64812809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10802131 + ... + 10802136.

It is an arithmetic number, because the mean of its divisors is an integer number (21604268).

Almost surely, 2^64812801 is an apocalyptic number.

It is an amenable number.

64812801 is a deficient number, since it is larger than the sum of its proper divisors (21604271).

64812801 is a wasteful number, since it uses less digits than its factorization.

64812801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21604270.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 64812801 is about 8050.6397882404. The cubic root of 64812801 is about 401.6862171079.

The spelling of 64812801 in words is "sixty-four million, eight hundred twelve thousand, eight hundred one".