435109 has 2 divisors, whose sum is σ = 435110. Its totient is φ = 435108.

The previous prime is 435107. The next prime is 435131. The reversal of 435109 is 901534.

It is an a-pointer prime, because the next prime (435131) can be obtained adding 435109 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 429025 + 6084 = 655^2 + 78^2 .

It is a cyclic number.

It is not a de Polignac number, because 435109 - 2¹ = 435107 is a prime.

Together with 435107, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 435109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (435103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217554 + 217555.

It is an arithmetic number, because the mean of its divisors is an integer number (217555).

2⁴³⁵¹⁰⁹ is an apocalyptic number.

It is an amenable number.

435109 is a deficient number, since it is larger than the sum of its proper divisors (1).

435109 is an equidigital number, since it uses as much as digits as its factorization.

435109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 435109 is about 659.6279254246. The cubic root of 435109 is about 75.7761766576.

The spelling of 435109 in words is "four hundred thirty-five thousand, one hundred nine".