4205250 has 128 divisors (see below), whose sum is σ = 13478400. Its totient is φ = 950400.

The previous prime is 4205233. The next prime is 4205269. The reversal of 4205250 is 525024.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47206 + ... + 47294.

It is an arithmetic number, because the mean of its divisors is an integer number (105300).

Almost surely, 2^4205250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4205250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6739200).

4205250 is an abundant number, since it is smaller than the sum of its proper divisors (9273150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4205250 is a wasteful number, since it uses less digits than its factorization.

4205250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 4205250 is about 2050.6706220161. The cubic root of 4205250 is about 161.4100628046.

The spelling of 4205250 in words is "four million, two hundred five thousand, two hundred fifty".