1725225 has 12 divisors (see below), whose sum is σ = 2852496. Its totient is φ = 920080.

The previous prime is 1725223. The next prime is 1725233. The reversal of 1725225 is 5225271.

It is not a de Polignac number, because 1725225 - 2¹ = 1725223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1725195 and 1725204.

It is not an unprimeable number, because it can be changed into a prime (1725221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11427 + ... + 11576.

It is an arithmetic number, because the mean of its divisors is an integer number (237708).

2^1725225 is an apocalyptic number.

1725225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1725225 is a deficient number, since it is larger than the sum of its proper divisors (1127271).

1725225 is a wasteful number, since it uses less digits than its factorization.

1725225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23016 (or 23011 counting only the distinct ones).

The product of its digits is 1400, while the sum is 24.

The square root of 1725225 is about 1313.4782068995. The cubic root of 1725225 is about 119.9357294725.

The spelling of 1725225 in words is "one million, seven hundred twenty-five thousand, two hundred twenty-five".