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2969 is a prime number
BaseRepresentation
bin101110011001
311001222
4232121
543334
621425
711441
oct5631
94058
102969
11225a
121875
131475
141121
15d2e
hexb99

2969 has 2 divisors, whose sum is σ = 2970. Its totient is φ = 2968.

The previous prime is 2963. The next prime is 2971. The reversal of 2969 is 9692.

2969 is nontrivially palindromic in base 5.

2969 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1600 + 1369 = 40^2 + 37^2 .

It is a cyclic number.

It is not a de Polignac number, because 2969 - 24 = 2953 is a prime.

It is a super-2 number, since 2×29692 = 17629922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 2971, it forms a pair of twin primes.

It is a Chen prime.

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

It is a Curzon number.

It is a plaindrome in base 11.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (2963) 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, 1484 + 1485.

It is an arithmetic number, because the mean of its divisors is an integer number (1485).

It is an amenable number.

2969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2969 is an equidigital number, since it uses as much as digits as its factorization.

2969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 26.

The square root of 2969 is about 54.4885309033. The cubic root of 2969 is about 14.3726461174.

The spelling of 2969 in words is "two thousand, nine hundred sixty-nine".