1725525 has 18 divisors (see below), whose sum is σ = 3091010. Its totient is φ = 920160.

The previous prime is 1725509. The next prime is 1725527. The reversal of 1725525 is 5255271.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 439569 + 1285956 = 663^2 + 1134^2 .

It is not a de Polignac number, because 1725525 - 2⁴ = 1725509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1725527) 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, 3610 + ... + 4059.

2^1725525 is an apocalyptic number.

1725525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1725525 is a deficient number, since it is larger than the sum of its proper divisors (1365485).

1725525 is a wasteful number, since it uses less digits than its factorization.

1725525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7685 (or 7677 counting only the distinct ones).

The product of its digits is 3500, while the sum is 27.

The square root of 1725525 is about 1313.5924025359. The cubic root of 1725525 is about 119.9426809588.

The spelling of 1725525 in words is "one million, seven hundred twenty-five thousand, five hundred twenty-five".