475503953 has 2 divisors, whose sum is σ = 475503954. Its totient is φ = 475503952.

The previous prime is 475503907. The next prime is 475503979. The reversal of 475503953 is 359305574.

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., 244828609 + 230675344 = 15647^2 + 15188^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475503953 is a prime.

It is a super-2 number, since 2×475503953² = 452208018637252418, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 475503953.

It is not a weakly prime, because it can be changed into another prime (475506953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237751976 + 237751977.

It is an arithmetic number, because the mean of its divisors is an integer number (237751977).

Almost surely, 2^475503953 is an apocalyptic number.

It is an amenable number.

475503953 is a deficient number, since it is larger than the sum of its proper divisors (1).

475503953 is an equidigital number, since it uses as much as digits as its factorization.

475503953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 283500, while the sum is 41.

The square root of 475503953 is about 21806.0531275148. The cubic root of 475503953 is about 780.5212125620.

The spelling of 475503953 in words is "four hundred seventy-five million, five hundred three thousand, nine hundred fifty-three".