471605247 has 20 divisors (see below), whose sum is σ = 721684656. Its totient is φ = 306732960.

The previous prime is 471605243. The next prime is 471605257. The reversal of 471605247 is 742506174.

471605247 is a `hidden beast` number, since 4 + 7 + 1 + 605 + 2 + 47 = 666.

It is not a de Polignac number, because 471605247 - 2² = 471605243 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471605243) 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 in 19 ways as a sum of consecutive naturals, for example, 67683 + ... + 74324.

Almost surely, 2^471605247 is an apocalyptic number.

471605247 is a deficient number, since it is larger than the sum of its proper divisors (250079409).

471605247 is a wasteful number, since it uses less digits than its factorization.

471605247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142060 (or 142051 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 471605247 is about 21716.4740922646. The cubic root of 471605247 is about 778.3821644409.

The spelling of 471605247 in words is "four hundred seventy-one million, six hundred five thousand, two hundred forty-seven".