1652725 has 6 divisors (see below), whose sum is σ = 2049410. Its totient is φ = 1322160.

The previous prime is 1652719. The next prime is 1652731. The reversal of 1652725 is 5272561.

It is an interprime number because it is at equal distance from previous prime (1652719) and next prime (1652731).

It can be written as a sum of positive squares in 3 ways, for example, as 178929 + 1473796 = 423^2 + 1214^2 .

It is not a de Polignac number, because 1652725 - 2⁷ = 1652597 is a prime.

It is an alternating number because its digits alternate between odd and even.

1652725 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1652693 and 1652702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33030 + ... + 33079.

2^1652725 is an apocalyptic number.

It is an amenable number.

1652725 is a deficient number, since it is larger than the sum of its proper divisors (396685).

1652725 is an equidigital number, since it uses as much as digits as its factorization.

1652725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66119 (or 66114 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 1652725 is about 1285.5835250967. The cubic root of 1652725 is about 118.2315905649.

The spelling of 1652725 in words is "one million, six hundred fifty-two thousand, seven hundred twenty-five".