8542471 has 4 divisors (see below), whose sum is σ = 9762832. Its totient is φ = 7322112.

The previous prime is 8542463. The next prime is 8542481. The reversal of 8542471 is 1742458.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1742458 = 2 ⋅871229.

It is not a de Polignac number, because 8542471 - 2³ = 8542463 is a prime.

It is a super-3 number, since 3×8542471³ (a number of 22 digits) contains 333 as substring.

It is a d-powerful number, because it can be written as 8⁵ + 5⁵ + 4³ + 2²³ + 4⁴ + 7⁶ + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8542411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610170 + ... + 610183.

It is an arithmetic number, because the mean of its divisors is an integer number (2440708).

Almost surely, 2^8542471 is an apocalyptic number.

8542471 is a deficient number, since it is larger than the sum of its proper divisors (1220361).

8542471 is a wasteful number, since it uses less digits than its factorization.

8542471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220360.

The product of its digits is 8960, while the sum is 31.

The square root of 8542471 is about 2922.7505880591. The cubic root of 8542471 is about 204.4220963700.

The spelling of 8542471 in words is "eight million, five hundred forty-two thousand, four hundred seventy-one".