1573141 has 2 divisors, whose sum is σ = 1573142. Its totient is φ = 1573140.

The previous prime is 1573139. The next prime is 1573151. The reversal of 1573141 is 1413751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1572516 + 625 = 1254^2 + 25^2 .

It is an emirp because it is prime and its reverse (1413751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1573141 - 2¹ = 1573139 is a prime.

Together with 1573139, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1573111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786570 + 786571.

It is an arithmetic number, because the mean of its divisors is an integer number (786571).

2^1573141 is an apocalyptic number.

It is an amenable number.

1573141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1573141 is an equidigital number, since it uses as much as digits as its factorization.

1573141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 420, while the sum is 22.

The square root of 1573141 is about 1254.2491777952. The cubic root of 1573141 is about 116.3025445588.

Adding to 1573141 its reverse (1413751), we get a palindrome (2986892).

The spelling of 1573141 in words is "one million, five hundred seventy-three thousand, one hundred forty-one".