8471255 has 16 divisors (see below), whose sum is σ = 11158560. Its totient is φ = 6135168.

The previous prime is 8471227. The next prime is 8471263. The reversal of 8471255 is 5521748.

It is a de Polignac number, because none of the positive numbers 2^k-8471255 is a prime.

It is a super-2 number, since 2×8471255² = 143524322550050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2216 + ... + 4674.

It is an arithmetic number, because the mean of its divisors is an integer number (697410).

Almost surely, 2^8471255 is an apocalyptic number.

8471255 is a deficient number, since it is larger than the sum of its proper divisors (2687305).

8471255 is a wasteful number, since it uses less digits than its factorization.

8471255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530.

The product of its digits is 11200, while the sum is 32.

The square root of 8471255 is about 2910.5420457365. The cubic root of 8471255 is about 203.8524419928.

The spelling of 8471255 in words is "eight million, four hundred seventy-one thousand, two hundred fifty-five".