Search a number
-
+
9072541 is a prime number
BaseRepresentation
bin100010100110…
…111110011101
3122001221012001
4202212332131
54310310131
6522242301
7140054362
oct42467635
918057161
109072541
115137375
123056391
131b5868a
1412c2469
15be3261
hex8a6f9d

9072541 has 2 divisors, whose sum is σ = 9072542. Its totient is φ = 9072540.

The previous prime is 9072523. The next prime is 9072587. The reversal of 9072541 is 1452709.

It is a happy number.

9072541 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6911641 + 2160900 = 2629^2 + 1470^2 .

It is an emirp because it is prime and its reverse (1452709) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9072541 - 217 = 8941469 is a prime.

It is a super-2 number, since 2×90725412 = 164622000393362, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9075541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4536270 + 4536271.

It is an arithmetic number, because the mean of its divisors is an integer number (4536271).

Almost surely, 29072541 is an apocalyptic number.

It is an amenable number.

9072541 is a deficient number, since it is larger than the sum of its proper divisors (1).

9072541 is an equidigital number, since it uses as much as digits as its factorization.

9072541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 9072541 is about 3012.0659023335. The cubic root of 9072541 is about 208.5657444009.

The spelling of 9072541 in words is "nine million, seventy-two thousand, five hundred forty-one".