471631 has 4 divisors (see below), whose sum is σ = 499392. Its totient is φ = 443872.

The previous prime is 471619. The next prime is 471641. The reversal of 471631 is 136174.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136174 = 2 ⋅68087.

It is a cyclic number.

It is not a de Polignac number, because 471631 - 2⁷ = 471503 is a prime.

It is a super-2 number, since 2×471631² = 444871600322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13855 + ... + 13888.

It is an arithmetic number, because the mean of its divisors is an integer number (124848).

2⁴⁷¹⁶³¹ is an apocalyptic number.

471631 is a deficient number, since it is larger than the sum of its proper divisors (27761).

471631 is a wasteful number, since it uses less digits than its factorization.

471631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27760.

The product of its digits is 504, while the sum is 22.

The square root of 471631 is about 686.7539588528. The cubic root of 471631 is about 77.8396332583.

The spelling of 471631 in words is "four hundred seventy-one thousand, six hundred thirty-one".