475503793 has 2 divisors, whose sum is σ = 475503794. Its totient is φ = 475503792.

The previous prime is 475503781. The next prime is 475503799. The reversal of 475503793 is 397305574.

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., 452540529 + 22963264 = 21273^2 + 4792^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475503793 is a prime.

It is a super-2 number, since 2×475503793² = 452207714314773698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (475503799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237751896 + 237751897.

It is an arithmetic number, because the mean of its divisors is an integer number (237751897).

Almost surely, 2^475503793 is an apocalyptic number.

It is an amenable number.

475503793 is a deficient number, since it is larger than the sum of its proper divisors (1).

475503793 is an equidigital number, since it uses as much as digits as its factorization.

475503793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 396900, while the sum is 43.

The square root of 475503793 is about 21806.0494588084. The cubic root of 475503793 is about 780.5211250174.

The spelling of 475503793 in words is "four hundred seventy-five million, five hundred three thousand, seven hundred ninety-three".