2169313 has 2 divisors, whose sum is σ = 2169314. Its totient is φ = 2169312.

The previous prime is 2169311. The next prime is 2169331. The reversal of 2169313 is 3139612.

Together with next prime (2169331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2108304 + 61009 = 1452^2 + 247^2 .

It is a cyclic number.

It is not a de Polignac number, because 2169313 - 2¹ = 2169311 is a prime.

Together with 2169311, it forms a pair of twin primes.

2169313 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2169311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1084656 + 1084657.

It is an arithmetic number, because the mean of its divisors is an integer number (1084657).

2^2169313 is an apocalyptic number.

It is an amenable number.

2169313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2169313 is an equidigital number, since it uses as much as digits as its factorization.

2169313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 25.

The square root of 2169313 is about 1472.8587848127. The cubic root of 2169313 is about 129.4515951332.

Subtracting 2169313 from its reverse (3139612), we obtain a cube (970299 = 99³).

The spelling of 2169313 in words is "two million, one hundred sixty-nine thousand, three hundred thirteen".