424673213 has 2 divisors, whose sum is σ = 424673214. Its totient is φ = 424673212.

The previous prime is 424673167. The next prime is 424673261. The reversal of 424673213 is 312376424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 421973764 + 2699449 = 20542^2 + 1643^2 .

It is a cyclic number.

It is not a de Polignac number, because 424673213 - 2⁶ = 424673149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 424673213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424673273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212336606 + 212336607.

It is an arithmetic number, because the mean of its divisors is an integer number (212336607).

Almost surely, 2^424673213 is an apocalyptic number.

It is an amenable number.

424673213 is a deficient number, since it is larger than the sum of its proper divisors (1).

424673213 is an equidigital number, since it uses as much as digits as its factorization.

424673213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 32.

The square root of 424673213 is about 20607.6008550243. The cubic root of 424673213 is about 751.6545475753.

The spelling of 424673213 in words is "four hundred twenty-four million, six hundred seventy-three thousand, two hundred thirteen".