475344997 has 2 divisors, whose sum is σ = 475344998. Its totient is φ = 475344996.

The previous prime is 475344971. The next prime is 475345027. The reversal of 475344997 is 799443574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 435389956 + 39955041 = 20866^2 + 6321^2 .

It is a cyclic number.

It is not a de Polignac number, because 475344997 - 2¹¹ = 475342949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475342997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237672498 + 237672499.

It is an arithmetic number, because the mean of its divisors is an integer number (237672499).

Almost surely, 2^475344997 is an apocalyptic number.

It is an amenable number.

475344997 is a deficient number, since it is larger than the sum of its proper divisors (1).

475344997 is an equidigital number, since it uses as much as digits as its factorization.

475344997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3810240, while the sum is 52.

The square root of 475344997 is about 21802.4080550750. The cubic root of 475344997 is about 780.4342295084.

The spelling of 475344997 in words is "four hundred seventy-five million, three hundred forty-four thousand, nine hundred ninety-seven".