475738213 has 2 divisors, whose sum is σ = 475738214. Its totient is φ = 475738212.

The previous prime is 475738147. The next prime is 475738261. The reversal of 475738213 is 312837574.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 391960804 + 83777409 = 19798^2 + 9153^2 .

It is a cyclic number.

It is not a de Polignac number, because 475738213 - 2¹⁷ = 475607141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475738313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237869106 + 237869107.

It is an arithmetic number, because the mean of its divisors is an integer number (237869107).

Almost surely, 2^475738213 is an apocalyptic number.

It is an amenable number.

475738213 is a deficient number, since it is larger than the sum of its proper divisors (1).

475738213 is an equidigital number, since it uses as much as digits as its factorization.

475738213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 40.

The square root of 475738213 is about 21811.4239104191. The cubic root of 475738213 is about 780.6493677397.

The spelling of 475738213 in words is "four hundred seventy-five million, seven hundred thirty-eight thousand, two hundred thirteen".