472581 has 16 divisors (see below), whose sum is σ = 731520. Its totient is φ = 300960.
The previous prime is 472573. The next prime is 472597. The reversal of 472581 is 185274.
It is not a de Polignac number, because 472581 - 23 = 472573 is a prime.
It is a super-2 number, since 2×4725812 = 446665603122, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 472581.
It is not an unprimeable number, because it can be changed into a prime (472541) 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, 241 + ... + 1001.
It is an arithmetic number, because the mean of its divisors is an integer number (45720).
2472581 is an apocalyptic number.
It is an amenable number.
472581 is a deficient number, since it is larger than the sum of its proper divisors (258939).
472581 is a wasteful number, since it uses less digits than its factorization.
472581 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 793 (or 787 counting only the distinct ones).
The product of its digits is 2240, while the sum is 27.
The square root of 472581 is about 687.4452705489. The cubic root of 472581 is about 77.8918619827.
It can be divided in two parts, 47 and 2581, that added together give a triangular number (2628 = T72).
The spelling of 472581 in words is "four hundred seventy-two thousand, five hundred eighty-one".
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