Search a number
-
+
7066541 is a prime number
BaseRepresentation
bin11010111101001110101101
3111022000110202
4122331032231
53302112131
6411243245
7114031106
oct32751655
914260422
107066541
113a97219
122449525
1316055b1
14d1d3ad
15948bcb
hex6bd3ad

7066541 has 2 divisors, whose sum is σ = 7066542. Its totient is φ = 7066540.

The previous prime is 7066523. The next prime is 7066561. The reversal of 7066541 is 1456607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5541316 + 1525225 = 2354^2 + 1235^2 .

It is a cyclic number.

It is not a de Polignac number, because 7066541 - 218 = 6804397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7066561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3533270 + 3533271.

It is an arithmetic number, because the mean of its divisors is an integer number (3533271).

Almost surely, 27066541 is an apocalyptic number.

It is an amenable number.

7066541 is a deficient number, since it is larger than the sum of its proper divisors (1).

7066541 is an equidigital number, since it uses as much as digits as its factorization.

7066541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 7066541 is about 2658.2966350654. The cubic root of 7066541 is about 191.8973427635.

The spelling of 7066541 in words is "seven million, sixty-six thousand, five hundred forty-one".