475573949 has 2 divisors, whose sum is σ = 475573950. Its totient is φ = 475573948.

The previous prime is 475573927. The next prime is 475573951. The reversal of 475573949 is 949375574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 359860900 + 115713049 = 18970^2 + 10757^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475573949 is a prime.

Together with 475573951, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 475573949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475573999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237786974 + 237786975.

It is an arithmetic number, because the mean of its divisors is an integer number (237786975).

Almost surely, 2^475573949 is an apocalyptic number.

It is an amenable number.

475573949 is a deficient number, since it is larger than the sum of its proper divisors (1).

475573949 is an equidigital number, since it uses as much as digits as its factorization.

475573949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4762800, while the sum is 53.

The square root of 475573949 is about 21807.6580356534. The cubic root of 475573949 is about 780.5595092518.

The spelling of 475573949 in words is "four hundred seventy-five million, five hundred seventy-three thousand, nine hundred forty-nine".