2201201257 has 2 divisors, whose sum is σ = 2201201258. Its totient is φ = 2201201256.

The previous prime is 2201201213. The next prime is 2201201291. The reversal of 2201201257 is 7521021022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1685184601 + 516016656 = 41051^2 + 22716^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201201257 - 2¹⁹ = 2200676969 is a prime.

It is not a weakly prime, because it can be changed into another prime (2201201957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100600628 + 1100600629.

It is an arithmetic number, because the mean of its divisors is an integer number (1100600629).

Almost surely, 2^2201201257 is an apocalyptic number.

It is an amenable number.

2201201257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201201257 is an equidigital number, since it uses as much as digits as its factorization.

2201201257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 2201201257 is about 46916.9612933319. The cubic root of 2201201257 is about 1300.8281226553.

Adding to 2201201257 its reverse (7521021022), we get a palindrome (9722222279).

The spelling of 2201201257 in words is "two billion, two hundred one million, two hundred one thousand, two hundred fifty-seven".