4200257 has 2 divisors, whose sum is σ = 4200258. Its totient is φ = 4200256.

The previous prime is 4200247. The next prime is 4200263. The reversal of 4200257 is 7520024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3418801 + 781456 = 1849^2 + 884^2 .

It is a cyclic number.

It is not a de Polignac number, because 4200257 - 2²² = 5953 is a prime.

It is not a weakly prime, because it can be changed into another prime (4200227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100128 + 2100129.

It is an arithmetic number, because the mean of its divisors is an integer number (2100129).

Almost surely, 2^4200257 is an apocalyptic number.

It is an amenable number.

4200257 is a deficient number, since it is larger than the sum of its proper divisors (1).

4200257 is an equidigital number, since it uses as much as digits as its factorization.

4200257 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 20.

The square root of 4200257 is about 2049.4528538125. The cubic root of 4200257 is about 161.3461554176.

The spelling of 4200257 in words is "four million, two hundred thousand, two hundred fifty-seven".