315554201 has 2 divisors, whose sum is σ = 315554202. Its totient is φ = 315554200.

The previous prime is 315554189. The next prime is 315554231. The reversal of 315554201 is 102455513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178195801 + 137358400 = 13349^2 + 11720^2 .

It is an emirp because it is prime and its reverse (102455513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315554201 - 2¹⁰ = 315553177 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (315554231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157777100 + 157777101.

It is an arithmetic number, because the mean of its divisors is an integer number (157777101).

Almost surely, 2^315554201 is an apocalyptic number.

It is an amenable number.

315554201 is a deficient number, since it is larger than the sum of its proper divisors (1).

315554201 is an equidigital number, since it uses as much as digits as its factorization.

315554201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 315554201 is about 17763.8453325849. The cubic root of 315554201 is about 680.8080079324.

The spelling of 315554201 in words is "three hundred fifteen million, five hundred fifty-four thousand, two hundred one".