1603201 has 6 divisors (see below), whose sum is σ = 1692402. Its totient is φ = 1518480.

The previous prime is 1603193. The next prime is 1603237. The reversal of 1603201 is 1023061.

It can be written as a sum of positive squares in only one way, i.e., 1299600 + 303601 = 1140^2 + 551^2 .

It is not a de Polignac number, because 1603201 - 2³ = 1603193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1603241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1860 + ... + 2581.

It is an arithmetic number, because the mean of its divisors is an integer number (282067).

2^1603201 is an apocalyptic number.

It is an amenable number.

1603201 is a deficient number, since it is larger than the sum of its proper divisors (89201).

1603201 is an equidigital number, since it uses as much as digits as its factorization.

1603201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4479 (or 4460 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1603201 is about 1266.1757381975. The cubic root of 1603201 is about 117.0386557444.

Adding to 1603201 its reverse (1023061), we get a palindrome (2626262).

The spelling of 1603201 in words is "one million, six hundred three thousand, two hundred one".