475229213 has 2 divisors, whose sum is σ = 475229214. Its totient is φ = 475229212.

The previous prime is 475229189. The next prime is 475229231. The reversal of 475229213 is 312922574.

It is a happy number.

Together with next prime (475229231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 417058084 + 58171129 = 20422^2 + 7627^2 .

It is a cyclic number.

It is not a de Polignac number, because 475229213 - 2⁶ = 475229149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475229263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237614606 + 237614607.

It is an arithmetic number, because the mean of its divisors is an integer number (237614607).

Almost surely, 2^475229213 is an apocalyptic number.

It is an amenable number.

475229213 is a deficient number, since it is larger than the sum of its proper divisors (1).

475229213 is an equidigital number, since it uses as much as digits as its factorization.

475229213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 475229213 is about 21799.7525903392. The cubic root of 475229213 is about 780.3708585988.

The spelling of 475229213 in words is "four hundred seventy-five million, two hundred twenty-nine thousand, two hundred thirteen".