477804253 has 2 divisors, whose sum is σ = 477804254. Its totient is φ = 477804252.

The previous prime is 477804247. The next prime is 477804281. The reversal of 477804253 is 352408774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267060964 + 210743289 = 16342^2 + 14517^2 .

It is a cyclic number.

It is not a de Polignac number, because 477804253 - 2²¹ = 475707101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477804293) 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 as a sum of consecutive naturals, namely, 238902126 + 238902127.

It is an arithmetic number, because the mean of its divisors is an integer number (238902127).

Almost surely, 2^477804253 is an apocalyptic number.

It is an amenable number.

477804253 is a deficient number, since it is larger than the sum of its proper divisors (1).

477804253 is an equidigital number, since it uses as much as digits as its factorization.

477804253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 477804253 is about 21858.7340209812. The cubic root of 477804253 is about 781.7778060434. Note that the first 3 decimals are identical.

The spelling of 477804253 in words is "four hundred seventy-seven million, eight hundred four thousand, two hundred fifty-three".