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1066531 is a prime number
BaseRepresentation
bin100000100011000100011
32000012000011
410010120203
5233112111
634505351
712031264
oct4043043
92005004
101066531
11669334
12435257
132b45ab
141da96b
15161021
hex104623

1066531 has 2 divisors, whose sum is σ = 1066532. Its totient is φ = 1066530.

The previous prime is 1066523. The next prime is 1066553. The reversal of 1066531 is 1356601.

It is an a-pointer prime, because the next prime (1066553) can be obtained adding 1066531 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1066531 - 23 = 1066523 is a prime.

It is a super-2 number, since 2×10665312 = 2274976747922, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 1066531 parts by 1460 straight cuts.

It is not a weakly prime, because it can be changed into another prime (1066511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533265 + 533266.

It is an arithmetic number, because the mean of its divisors is an integer number (533266).

21066531 is an apocalyptic number.

1066531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066531 is an equidigital number, since it uses as much as digits as its factorization.

1066531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1066531 is about 1032.7298775575. The cubic root of 1066531 is about 102.1702590252.

The spelling of 1066531 in words is "one million, sixty-six thousand, five hundred thirty-one".