475991053 has 2 divisors, whose sum is σ = 475991054. Its totient is φ = 475991052.

The previous prime is 475990993. The next prime is 475991057. The reversal of 475991053 is 350199574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299047849 + 176943204 = 17293^2 + 13302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475991053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475991057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237995526 + 237995527.

It is an arithmetic number, because the mean of its divisors is an integer number (237995527).

Almost surely, 2^475991053 is an apocalyptic number.

It is an amenable number.

475991053 is a deficient number, since it is larger than the sum of its proper divisors (1).

475991053 is an equidigital number, since it uses as much as digits as its factorization.

475991053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 475991053 is about 21817.2191857716. The cubic root of 475991053 is about 780.7876401650.

The spelling of 475991053 in words is "four hundred seventy-five million, nine hundred ninety-one thousand, fifty-three".