475129 has 4 divisors (see below), whose sum is σ = 482980. Its totient is φ = 467280.

The previous prime is 475109. The next prime is 475141. The reversal of 475129 is 921574.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 921574 = 2 ⋅460787.

It can be written as a sum of positive squares in 2 ways, for example, as 121104 + 354025 = 348^2 + 595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475129 is a prime.

It is a Duffinian number.

475129 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 475097 and 475106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3834 + ... + 3955.

It is an arithmetic number, because the mean of its divisors is an integer number (120745).

2⁴⁷⁵¹²⁹ is an apocalyptic number.

It is an amenable number.

475129 is a deficient number, since it is larger than the sum of its proper divisors (7851).

475129 is an equidigital number, since it uses as much as digits as its factorization.

475129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7850.

The product of its digits is 2520, while the sum is 28.

The square root of 475129 is about 689.2960176876. The cubic root of 475129 is about 78.0316001700.

The spelling of 475129 in words is "four hundred seventy-five thousand, one hundred twenty-nine".