1652225 has 6 divisors (see below), whose sum is σ = 2048790. Its totient is φ = 1321760.

The previous prime is 1652171. The next prime is 1652237. The reversal of 1652225 is 5222561.

It can be written as a sum of positive squares in 3 ways, for example, as 16384 + 1635841 = 128^2 + 1279^2 .

It is not a de Polignac number, because 1652225 - 2¹⁰ = 1651201 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1652225.

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, 33020 + ... + 33069.

It is an arithmetic number, because the mean of its divisors is an integer number (341465).

2^1652225 is an apocalyptic number.

It is an amenable number.

1652225 is a deficient number, since it is larger than the sum of its proper divisors (396565).

1652225 is an equidigital number, since it uses as much as digits as its factorization.

1652225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66099 (or 66094 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 1652225 is about 1285.3890461646. The cubic root of 1652225 is about 118.2196664683.

Adding to 1652225 its reverse (5222561), we get a palindrome (6874786).

The spelling of 1652225 in words is "one million, six hundred fifty-two thousand, two hundred twenty-five".