5671969 has 2 divisors, whose sum is σ = 5671970. Its totient is φ = 5671968.

The previous prime is 5671957. The next prime is 5671979. The reversal of 5671969 is 9691765.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5664400 + 7569 = 2380^2 + 87^2 .

It is a cyclic number.

It is not a de Polignac number, because 5671969 - 2²¹ = 3574817 is a prime.

It is a super-2 number, since 2×5671969² = 64342464673922, which contains 22 as substring.

5671969 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5671949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2835984 + 2835985.

It is an arithmetic number, because the mean of its divisors is an integer number (2835985).

Almost surely, 2^5671969 is an apocalyptic number.

It is an amenable number.

5671969 is a deficient number, since it is larger than the sum of its proper divisors (1).

5671969 is an equidigital number, since it uses as much as digits as its factorization.

5671969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060, while the sum is 43.

The square root of 5671969 is about 2381.5895952074. The cubic root of 5671969 is about 178.3382974327.

The spelling of 5671969 in words is "five million, six hundred seventy-one thousand, nine hundred sixty-nine".