475881253 has 2 divisors, whose sum is σ = 475881254. Its totient is φ = 475881252.

The previous prime is 475881209. The next prime is 475881269. The reversal of 475881253 is 352188574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 474237729 + 1643524 = 21777^2 + 1282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475881253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475881283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237940626 + 237940627.

It is an arithmetic number, because the mean of its divisors is an integer number (237940627).

Almost surely, 2^475881253 is an apocalyptic number.

It is an amenable number.

475881253 is a deficient number, since it is larger than the sum of its proper divisors (1).

475881253 is an equidigital number, since it uses as much as digits as its factorization.

475881253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 268800, while the sum is 43.

The square root of 475881253 is about 21814.7026796150. The cubic root of 475881253 is about 780.7275990674.

It can be divided in two parts, 47588 and 1253, that added together give a square (48841 = 221²).

The spelling of 475881253 in words is "four hundred seventy-five million, eight hundred eighty-one thousand, two hundred fifty-three".