1573897 has 12 divisors (see below), whose sum is σ = 1742160. Its totient is φ = 1420848.

The previous prime is 1573879. The next prime is 1573907. The reversal of 1573897 is 7983751.

1573897 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 1573897 - 2¹¹ = 1571849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1573837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11254 + ... + 11392.

It is an arithmetic number, because the mean of its divisors is an integer number (145180).

2^1573897 is an apocalyptic number.

It is an amenable number.

1573897 is a deficient number, since it is larger than the sum of its proper divisors (168263).

1573897 is a wasteful number, since it uses less digits than its factorization.

1573897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 219 counting only the distinct ones).

The product of its digits is 52920, while the sum is 40.

The square root of 1573897 is about 1254.5505171176. The cubic root of 1573897 is about 116.3211719721.

The spelling of 1573897 in words is "one million, five hundred seventy-three thousand, eight hundred ninety-seven".