664152341 has 2 divisors, whose sum is σ = 664152342. Its totient is φ = 664152340.

The previous prime is 664152263. The next prime is 664152361. The reversal of 664152341 is 143251466.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 560316241 + 103836100 = 23671^2 + 10190^2 .

It is a cyclic number.

It is not a de Polignac number, because 664152341 - 2¹⁰ = 664151317 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 664152298 and 664152307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (664152361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332076170 + 332076171.

It is an arithmetic number, because the mean of its divisors is an integer number (332076171).

Almost surely, 2^664152341 is an apocalyptic number.

It is an amenable number.

664152341 is a deficient number, since it is larger than the sum of its proper divisors (1).

664152341 is an equidigital number, since it uses as much as digits as its factorization.

664152341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

The square root of 664152341 is about 25771.1532726031. The cubic root of 664152341 is about 872.4808482864.

The spelling of 664152341 in words is "six hundred sixty-four million, one hundred fifty-two thousand, three hundred forty-one".