4235085 has 20 divisors (see below), whose sum is σ = 7592508. Its totient is φ = 2258496.

The previous prime is 4235083. The next prime is 4235129. The reversal of 4235085 is 5805324.

It can be written as a sum of positive squares in 2 ways, for example, as 2802276 + 1432809 = 1674^2 + 1197^2 .

It is not a de Polignac number, because 4235085 - 2¹ = 4235083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4235083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4824 + ... + 5633.

Almost surely, 2^4235085 is an apocalyptic number.

4235085 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4235085 is a deficient number, since it is larger than the sum of its proper divisors (3357423).

4235085 is a wasteful number, since it uses less digits than its factorization.

4235085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10474 (or 10465 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 4235085 is about 2057.9322146271. The cubic root of 4235085 is about 161.7908824403.

The spelling of 4235085 in words is "four million, two hundred thirty-five thousand, eighty-five".