4223251 has 2 divisors, whose sum is σ = 4223252. Its totient is φ = 4223250.

The previous prime is 4223243. The next prime is 4223257. The reversal of 4223251 is 1523224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4223251 - 2³ = 4223243 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4⁵ + 2¹² + 2¹³ + 3² + 2²² + 5⁶ + 1 .

4223251 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4223257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111625 + 2111626.

It is an arithmetic number, because the mean of its divisors is an integer number (2111626).

Almost surely, 2^4223251 is an apocalyptic number.

4223251 is a deficient number, since it is larger than the sum of its proper divisors (1).

4223251 is an equidigital number, since it uses as much as digits as its factorization.

4223251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 19.

The square root of 4223251 is about 2055.0549870989. The cubic root of 4223251 is about 161.6400456869.

Adding to 4223251 its reverse (1523224), we get a palindrome (5746475).

The spelling of 4223251 in words is "four million, two hundred twenty-three thousand, two hundred fifty-one".