470666257 has 2 divisors, whose sum is σ = 470666258. Its totient is φ = 470666256.

The previous prime is 470666239. The next prime is 470666269. The reversal of 470666257 is 752666074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 464790481 + 5875776 = 21559^2 + 2424^2 .

It is a cyclic number.

It is not a de Polignac number, because 470666257 - 2¹¹ = 470664209 is a prime.

It is not a weakly prime, because it can be changed into another prime (470666957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235333128 + 235333129.

It is an arithmetic number, because the mean of its divisors is an integer number (235333129).

Almost surely, 2^470666257 is an apocalyptic number.

It is an amenable number.

470666257 is a deficient number, since it is larger than the sum of its proper divisors (1).

470666257 is an equidigital number, since it uses as much as digits as its factorization.

470666257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 43.

The square root of 470666257 is about 21694.8440187986. The cubic root of 470666257 is about 777.8652217278.

The spelling of 470666257 in words is "four hundred seventy million, six hundred sixty-six thousand, two hundred fifty-seven".