9151 has 2 divisors, whose sum is σ = 9152. Its totient is φ = 9150.

The previous prime is 9137. The next prime is 9157. The reversal of 9151 is 1519.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9151 - 2^{11} = 7103 is a prime.

9151 is a lucky number.

It is a plaindrome in base 14 and base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9157) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4575 + 4576.

It is an arithmetic number, because the mean of its divisors is an integer number (4576).

9151 is the 61-st centered pentagonal number.

9151 is a deficient number, since it is larger than the sum of its proper divisors (1).

9151 is an equidigital number, since it uses as much as digits as its factorization.

9151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45, while the sum is 16.

The square root of 9151 is about 95.6608592895. The cubic root of 9151 is about 20.9165242517.

The spelling of 9151 in words is "nine thousand, one hundred fifty-one".

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