664113301 has 4 divisors (see below), whose sum is σ = 664829100. Its totient is φ = 663397504.

The previous prime is 664113299. The next prime is 664113319. The reversal of 664113301 is 103311466.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 103311466 = 2 ⋅51655733.

It can be written as a sum of positive squares in 2 ways, for example, as 122434225 + 541679076 = 11065^2 + 23274^2 .

It is a cyclic number.

It is not a de Polignac number, because 664113301 - 2¹ = 664113299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664113361) 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, 356506 + ... + 358363.

It is an arithmetic number, because the mean of its divisors is an integer number (166207275).

Almost surely, 2^664113301 is an apocalyptic number.

It is an amenable number.

664113301 is a deficient number, since it is larger than the sum of its proper divisors (715799).

664113301 is an equidigital number, since it uses as much as digits as its factorization.

664113301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715798.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 664113301 is about 25770.3958254428. The cubic root of 664113301 is about 872.4637526505.

Adding to 664113301 its reverse (103311466), we get a palindrome (767424767).

The spelling of 664113301 in words is "six hundred sixty-four million, one hundred thirteen thousand, three hundred one".