475 has 6 divisors (see below), whose sum is σ = 620. Its totient is φ = 360.

The previous prime is 467. The next prime is 479. The reversal of 475 is 574.

Subtracting 475 from its reverse (574), we obtain a palindrome (99).

It can be divided in two parts, 4 and 75, that multiplied together give a triangular number (300 = T_{24}).

It is not a de Polignac number, because 475 - 2^{3} = 467 is a prime.

475 is a lucky number.

It is a plaindrome in base 7, base 9, base 12 and base 14.

It is a nialpdrome in base 6 and base 8.

It is not an unprimeable number, because it can be changed into a prime (479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16 + ... + 34.

475 is a deficient number, since it is larger than the sum of its proper divisors (145).

475 is a wasteful number, since it uses less digits than its factorization.

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

The sum of its prime factors is 29 (or 24 counting only the distinct ones).

The product of its digits is 140, while the sum is 16.

The square root of 475 is about 21.7944947177. The cubic root of 475 is about 7.8024537535.

The spelling of 475 in words is "four hundred seventy-five", and thus it is an aban number.

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