64297801 has 4 divisors (see below), whose sum is σ = 64317204. Its totient is φ = 64278400.

The previous prime is 64297789. The next prime is 64297817. The reversal of 64297801 is 10879246.

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

It can be written as a sum of positive squares in 2 ways, for example, as 53275401 + 11022400 = 7299^2 + 3320^2 .

It is a cyclic number.

It is not a de Polignac number, because 64297801 - 2⁵ = 64297769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64297841) 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, 3340 + ... + 11821.

It is an arithmetic number, because the mean of its divisors is an integer number (16079301).

Almost surely, 2^64297801 is an apocalyptic number.

It is an amenable number.

64297801 is a deficient number, since it is larger than the sum of its proper divisors (19403).

64297801 is a wasteful number, since it uses less digits than its factorization.

64297801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19402.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 64297801 is about 8018.5909610105. The cubic root of 64297801 is about 400.6194589314.

The spelling of 64297801 in words is "sixty-four million, two hundred ninety-seven thousand, eight hundred one".