448156213 has 2 divisors, whose sum is σ = 448156214. Its totient is φ = 448156212.

The previous prime is 448156183. The next prime is 448156273. The reversal of 448156213 is 312651844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292854769 + 155301444 = 17113^2 + 12462^2 .

It is a cyclic number.

It is not a de Polignac number, because 448156213 - 2¹⁷ = 448025141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448156273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224078106 + 224078107.

It is an arithmetic number, because the mean of its divisors is an integer number (224078107).

Almost surely, 2^448156213 is an apocalyptic number.

It is an amenable number.

448156213 is a deficient number, since it is larger than the sum of its proper divisors (1).

448156213 is an equidigital number, since it uses as much as digits as its factorization.

448156213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 34.

The square root of 448156213 is about 21169.7003521543. The cubic root of 448156213 is about 765.2613987022.

The spelling of 448156213 in words is "four hundred forty-eight million, one hundred fifty-six thousand, two hundred thirteen".