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1451081 is a prime number
BaseRepresentation
bin101100010010001001001
32201201111202
411202101021
5332413311
651033545
715222362
oct5422111
92651452
101451081
11901245
1259b8b5
133ba638
1429ab69
151d9e3b
hex162449

1451081 has 2 divisors, whose sum is σ = 1451082. Its totient is φ = 1451080.

The previous prime is 1451059. The next prime is 1451083. The reversal of 1451081 is 1801541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1210000 + 241081 = 1100^2 + 491^2 .

It is a cyclic number.

It is not a de Polignac number, because 1451081 - 218 = 1188937 is a prime.

It is a super-2 number, since 2×14510812 = 4211272137122, which contains 22 as substring.

Together with 1451083, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 8.

It is not a weakly prime, because it can be changed into another prime (1451083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725540 + 725541.

It is an arithmetic number, because the mean of its divisors is an integer number (725541).

21451081 is an apocalyptic number.

It is an amenable number.

1451081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451081 is an equidigital number, since it uses as much as digits as its factorization.

1451081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 1451081 is about 1204.6082350706. The cubic root of 1451081 is about 113.2132397621.

The spelling of 1451081 in words is "one million, four hundred fifty-one thousand, eighty-one".