429281 has 2 divisors, whose sum is σ = 429282. Its totient is φ = 429280.

The previous prime is 429277. The next prime is 429283. The reversal of 429281 is 182924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 429025 + 256 = 655^2 + 16^2 .

It is a cyclic number.

It is not a de Polignac number, because 429281 - 2² = 429277 is a prime.

It is a super-2 number, since 2×429281² = 368564353922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 429283, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 429281.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 429281.

It is not a weakly prime, because it can be changed into another prime (429283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214640 + 214641.

It is an arithmetic number, because the mean of its divisors is an integer number (214641).

2⁴²⁹²⁸¹ is an apocalyptic number.

It is an amenable number.

429281 is a deficient number, since it is larger than the sum of its proper divisors (1).

429281 is an equidigital number, since it uses as much as digits as its factorization.

429281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 26.

The square root of 429281 is about 655.1953907042. The cubic root of 429281 is about 75.4363306917.

The spelling of 429281 in words is "four hundred twenty-nine thousand, two hundred eighty-one".