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1056481 is a prime number
BaseRepresentation
bin100000001111011100001
31222200012221
410001323201
5232301411
634351041
711660056
oct4017341
91880187
101056481
11661828
1242b481
132acb4a
141d702d
1515d071
hex101ee1

1056481 has 2 divisors, whose sum is σ = 1056482. Its totient is φ = 1056480.

The previous prime is 1056479. The next prime is 1056493. The reversal of 1056481 is 1846501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 665856 + 390625 = 816^2 + 625^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056481 - 21 = 1056479 is a prime.

It is a super-2 number, since 2×10564812 = 2232304206722, which contains 22 as substring.

Together with 1056479, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528240 + 528241.

It is an arithmetic number, because the mean of its divisors is an integer number (528241).

21056481 is an apocalyptic number.

It is an amenable number.

1056481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056481 is an equidigital number, since it uses as much as digits as its factorization.

1056481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1056481 is about 1027.8526158939. The cubic root of 1056481 is about 101.8483264128.

The spelling of 1056481 in words is "one million, fifty-six thousand, four hundred eighty-one".