471421531 has 8 divisors (see below), whose sum is σ = 538903520. Its totient is φ = 403973568.

The previous prime is 471421499. The next prime is 471421541. The reversal of 471421531 is 135124174.

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 471421531 - 2⁵ = 471421499 is a prime.

It is a super-4 number, since 4×471421531⁴ (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 471421531.

It is not an unprimeable number, because it can be changed into a prime (471421541) 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, 38575 + ... + 49303.

It is an arithmetic number, because the mean of its divisors is an integer number (67362940).

Almost surely, 2^471421531 is an apocalyptic number.

471421531 is a deficient number, since it is larger than the sum of its proper divisors (67481989).

471421531 is a wasteful number, since it uses less digits than its factorization.

471421531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17013.

The product of its digits is 3360, while the sum is 28.

The square root of 471421531 is about 21712.2438039001. The cubic root of 471421531 is about 778.2810771922.

The spelling of 471421531 in words is "four hundred seventy-one million, four hundred twenty-one thousand, five hundred thirty-one".