1573601 has 4 divisors (see below), whose sum is σ = 1593600. Its totient is φ = 1553604.

The previous prime is 1573577. The next prime is 1573603. The reversal of 1573601 is 1063751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1573601 - 2¹⁰ = 1572577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1573603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9881 + ... + 10038.

It is an arithmetic number, because the mean of its divisors is an integer number (398400).

2^1573601 is an apocalyptic number.

It is an amenable number.

1573601 is a deficient number, since it is larger than the sum of its proper divisors (19999).

1573601 is an equidigital number, since it uses as much as digits as its factorization.

1573601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19998.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 1573601 is about 1254.4325410320. The cubic root of 1573601 is about 116.3138794099.

The spelling of 1573601 in words is "one million, five hundred seventy-three thousand, six hundred one".