471820901 has 16 divisors (see below), whose sum is σ = 509396160. Its totient is φ = 435663360.

The previous prime is 471820891. The next prime is 471820913. The reversal of 471820901 is 109028174.

It is a cyclic number.

It is not a de Polignac number, because 471820901 - 2¹⁰ = 471819877 is a prime.

It is a super-2 number, since 2×471820901² = 445229925240903602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471820931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121571 + ... + 125391.

It is an arithmetic number, because the mean of its divisors is an integer number (31837260).

Almost surely, 2^471820901 is an apocalyptic number.

It is an amenable number.

471820901 is a deficient number, since it is larger than the sum of its proper divisors (37575259).

471820901 is a wasteful number, since it uses less digits than its factorization.

471820901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4004.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 471820901 is about 21721.4387414830. The cubic root of 471820901 is about 778.5007916533.

The spelling of 471820901 in words is "four hundred seventy-one million, eight hundred twenty thousand, nine hundred one".