416223251 has 2 divisors, whose sum is σ = 416223252. Its totient is φ = 416223250.

The previous prime is 416223239. The next prime is 416223277. The reversal of 416223251 is 152322614.

It is a happy number.

It is an a-pointer prime, because the next prime (416223277) can be obtained adding 416223251 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 416223251 - 2¹⁸ = 415961107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 416223251.

It is not a weakly prime, because it can be changed into another prime (416223281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208111625 + 208111626.

It is an arithmetic number, because the mean of its divisors is an integer number (208111626).

Almost surely, 2^416223251 is an apocalyptic number.

416223251 is a deficient number, since it is larger than the sum of its proper divisors (1).

416223251 is an equidigital number, since it uses as much as digits as its factorization.

416223251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 26.

The square root of 416223251 is about 20401.5502107070. The cubic root of 416223251 is about 746.6357470411.

Adding to 416223251 its reverse (152322614), we get a palindrome (568545865).

The spelling of 416223251 in words is "four hundred sixteen million, two hundred twenty-three thousand, two hundred fifty-one".