1573313101 has 2 divisors, whose sum is σ = 1573313102. Its totient is φ = 1573313100.

The previous prime is 1573313087. The next prime is 1573313113. The reversal of 1573313101 is 1013133751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1398386025 + 174927076 = 37395^2 + 13226^2 .

It is a cyclic number.

It is not a de Polignac number, because 1573313101 - 2²¹ = 1571215949 is a prime.

It is a super-3 number, since 3×1573313101³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1573313141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786656550 + 786656551.

It is an arithmetic number, because the mean of its divisors is an integer number (786656551).

Almost surely, 2^1573313101 is an apocalyptic number.

It is an amenable number.

1573313101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1573313101 is an equidigital number, since it uses as much as digits as its factorization.

1573313101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 1573313101 is about 39665.0110424792. The cubic root of 1573313101 is about 1163.0678555487.

Adding to 1573313101 its reverse (1013133751), we get a palindrome (2586446852).

The spelling of 1573313101 in words is "one billion, five hundred seventy-three million, three hundred thirteen thousand, one hundred one".