1652201 has 4 divisors (see below), whose sum is σ = 1669332. Its totient is φ = 1635072.

The previous prime is 1652171. The next prime is 1652237. The reversal of 1652201 is 1022561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1022561 = 19 ⋅53819.

It can be written as a sum of positive squares in 2 ways, for example, as 547600 + 1104601 = 740^2 + 1051^2 .

It is a cyclic number.

It is not a de Polignac number, because 1652201 - 2⁶ = 1652137 is a prime.

It is an Ulam number.

It is a Duffinian number.

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 1652201.

It is not an unprimeable number, because it can be changed into a prime (1652291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8420 + ... + 8613.

It is an arithmetic number, because the mean of its divisors is an integer number (417333).

2^1652201 is an apocalyptic number.

It is an amenable number.

1652201 is a deficient number, since it is larger than the sum of its proper divisors (17131).

1652201 is an equidigital number, since it uses as much as digits as its factorization.

1652201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17130.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1652201 is about 1285.3797104358. The cubic root of 1652201 is about 118.2190940511.

Adding to 1652201 its reverse (1022561), we get a palindrome (2674762).

The spelling of 1652201 in words is "one million, six hundred fifty-two thousand, two hundred one".