475781248 has 16 divisors (see below), whose sum is σ = 947845710. Its totient is φ = 237890560.

The previous prime is 475781239. The next prime is 475781249. The reversal of 475781248 is 842187574.

It can be written as a sum of positive squares in only one way, i.e., 429649984 + 46131264 = 20728^2 + 6792^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 475781198 and 475781207.

It is not an unprimeable number, because it can be changed into a prime (475781249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1858393 + ... + 1858648.

Almost surely, 2^475781248 is an apocalyptic number.

It is an amenable number.

475781248 is a deficient number, since it is larger than the sum of its proper divisors (472064462).

475781248 is an equidigital number, since it uses as much as digits as its factorization.

475781248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3717055 (or 3717043 counting only the distinct ones).

The product of its digits is 501760, while the sum is 46.

The square root of 475781248 is about 21812.4104124235. The cubic root of 475781248 is about 780.6729060581.

The spelling of 475781248 in words is "four hundred seventy-five million, seven hundred eighty-one thousand, two hundred forty-eight".