5429209 has 2 divisors, whose sum is σ = 5429210. Its totient is φ = 5429208.

The previous prime is 5429191. The next prime is 5429213. The reversal of 5429209 is 9029245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3790809 + 1638400 = 1947^2 + 1280^2 .

It is a cyclic number.

It is not a de Polignac number, because 5429209 - 2⁹ = 5428697 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5429609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2714604 + 2714605.

It is an arithmetic number, because the mean of its divisors is an integer number (2714605).

Almost surely, 2^5429209 is an apocalyptic number.

It is an amenable number.

5429209 is a deficient number, since it is larger than the sum of its proper divisors (1).

5429209 is an equidigital number, since it uses as much as digits as its factorization.

5429209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 5429209 is about 2330.0663080694. The cubic root of 5429209 is about 175.7568202303.

The spelling of 5429209 in words is "five million, four hundred twenty-nine thousand, two hundred nine".