4198725 has 18 divisors (see below), whose sum is σ = 7520786. Its totient is φ = 2239200.

The previous prime is 4198709. The next prime is 4198729. The reversal of 4198725 is 5278914.

It can be written as a sum of positive squares in 3 ways, for example, as 324 + 4198401 = 18^2 + 2049^2 .

It is not a de Polignac number, because 4198725 - 2⁴ = 4198709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4198725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4198729) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9106 + ... + 9555.

Almost surely, 2^4198725 is an apocalyptic number.

4198725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4198725 is a deficient number, since it is larger than the sum of its proper divisors (3322061).

4198725 is a wasteful number, since it uses less digits than its factorization.

4198725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18677 (or 18669 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 4198725 is about 2049.0790614322. The cubic root of 4198725 is about 161.3265365888.

The spelling of 4198725 in words is "four million, one hundred ninety-eight thousand, seven hundred twenty-five".