475642271 has 8 divisors (see below), whose sum is σ = 524724144. Its totient is φ = 428345280.

The previous prime is 475642259. The next prime is 475642283. The reversal of 475642271 is 172246574.

It is an interprime number because it is at equal distance from previous prime (475642259) and next prime (475642283).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 475642271 - 2¹⁰ = 475641247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475642241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445661 + ... + 446726.

It is an arithmetic number, because the mean of its divisors is an integer number (65590518).

Almost surely, 2^475642271 is an apocalyptic number.

475642271 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

475642271 is a deficient number, since it is larger than the sum of its proper divisors (49081873).

475642271 is a wasteful number, since it uses less digits than its factorization.

475642271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892441.

The product of its digits is 94080, while the sum is 38.

The square root of 475642271 is about 21809.2244474672. The cubic root of 475642271 is about 780.5968864276.

The spelling of 475642271 in words is "four hundred seventy-five million, six hundred forty-two thousand, two hundred seventy-one".