475987253 has 16 divisors (see below), whose sum is σ = 561876480. Its totient is φ = 394749936.

The previous prime is 475987207. The next prime is 475987261. The reversal of 475987253 is 352789574.

It is not a de Polignac number, because 475987253 - 2¹⁰ = 475986229 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475987273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24818 + ... + 39596.

It is an arithmetic number, because the mean of its divisors is an integer number (35117280).

Almost surely, 2^475987253 is an apocalyptic number.

475987253 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

475987253 is a deficient number, since it is larger than the sum of its proper divisors (85889227).

475987253 is a wasteful number, since it uses less digits than its factorization.

475987253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14936.

The product of its digits is 2116800, while the sum is 50.

The square root of 475987253 is about 21817.1320984221. The cubic root of 475987253 is about 780.7855623942.

The spelling of 475987253 in words is "four hundred seventy-five million, nine hundred eighty-seven thousand, two hundred fifty-three".