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8472481 is a prime number
BaseRepresentation
bin100000010100…
…011110100001
3120221110001121
4200110132201
54132104411
6501332241
7132005053
oct40243641
916843047
108472481
114867556
122a07081
1319a8504
1411a78d3
15b25571
hex8147a1

8472481 has 2 divisors, whose sum is σ = 8472482. Its totient is φ = 8472480.

The previous prime is 8472479. The next prime is 8472493. The reversal of 8472481 is 1842748.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5716881 + 2755600 = 2391^2 + 1660^2 .

It is a cyclic number.

It is not a de Polignac number, because 8472481 - 21 = 8472479 is a prime.

It is a super-2 number, since 2×84724812 = 143565868590722, which contains 22 as substring.

Together with 8472479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8472881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4236240 + 4236241.

It is an arithmetic number, because the mean of its divisors is an integer number (4236241).

Almost surely, 28472481 is an apocalyptic number.

It is an amenable number.

8472481 is a deficient number, since it is larger than the sum of its proper divisors (1).

8472481 is an equidigital number, since it uses as much as digits as its factorization.

8472481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14336, while the sum is 34.

The square root of 8472481 is about 2910.7526518067. The cubic root of 8472481 is about 203.8622756809.

The spelling of 8472481 in words is "eight million, four hundred seventy-two thousand, four hundred eighty-one".