Search a number
-
+
1066525 = 52371153
BaseRepresentation
bin100000100011000011101
32000011222221
410010120131
5233112100
634505341
712031255
oct4043035
92004887
101066525
11669329
12435251
132b45a5
141da965
1516101a
hex10461d

1066525 has 12 divisors (see below), whose sum is σ = 1359412. Its totient is φ = 829440.

The previous prime is 1066523. The next prime is 1066531. The reversal of 1066525 is 5256601.

It can be written as a sum of positive squares in 6 ways, for example, as 60516 + 1006009 = 246^2 + 1003^2 .

It is not a de Polignac number, because 1066525 - 21 = 1066523 is a prime.

It is a super-2 number, since 2×10665252 = 2274951151250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1066525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 349 + ... + 1501.

21066525 is an apocalyptic number.

It is an amenable number.

1066525 is a deficient number, since it is larger than the sum of its proper divisors (292887).

1066525 is a wasteful number, since it uses less digits than its factorization.

1066525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200 (or 1195 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1066525 is about 1032.7269726312. The cubic root of 1066525 is about 102.1700674313.

The spelling of 1066525 in words is "one million, sixty-six thousand, five hundred twenty-five".

Divisors: 1 5 25 37 185 925 1153 5765 28825 42661 213305 1066525