471605257 has 2 divisors, whose sum is σ = 471605258. Its totient is φ = 471605256.

The previous prime is 471605243. The next prime is 471605269. The reversal of 471605257 is 752506174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 373416976 + 98188281 = 19324^2 + 9909^2 .

It is a cyclic number.

It is not a de Polignac number, because 471605257 - 2¹⁹ = 471080969 is a prime.

It is not a weakly prime, because it can be changed into another prime (471605227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235802628 + 235802629.

It is an arithmetic number, because the mean of its divisors is an integer number (235802629).

Almost surely, 2^471605257 is an apocalyptic number.

It is an amenable number.

471605257 is a deficient number, since it is larger than the sum of its proper divisors (1).

471605257 is an equidigital number, since it uses as much as digits as its factorization.

471605257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 471605257 is about 21716.4743225046. The cubic root of 471605257 is about 778.3821699425.

The spelling of 471605257 in words is "four hundred seventy-one million, six hundred five thousand, two hundred fifty-seven".