472159481 has 18 divisors (see below), whose sum is σ = 515289546. Its totient is φ = 432561600.

The previous prime is 472159463. The next prime is 472159487. The reversal of 472159481 is 184951274.

It can be written as a sum of positive squares in only one way, i.e., 333391081 + 138768400 = 18259^2 + 11780^2 .

It is not a de Polignac number, because 472159481 - 2⁶ = 472159417 is a prime.

It is a super-2 number, since 2×472159481² = 445869150996378722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472159487) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 346241 + ... + 347601.

It is an arithmetic number, because the mean of its divisors is an integer number (28627197).

Almost surely, 2^472159481 is an apocalyptic number.

It is an amenable number.

472159481 is a deficient number, since it is larger than the sum of its proper divisors (43130065).

472159481 is a wasteful number, since it uses less digits than its factorization.

472159481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461 (or 1411 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The square root of 472159481 is about 21729.2310264307. The cubic root of 472159481 is about 778.6869652437.

The spelling of 472159481 in words is "four hundred seventy-two million, one hundred fifty-nine thousand, four hundred eighty-one".