57073013 has 4 divisors (see below), whose sum is σ = 57091008. Its totient is φ = 57055020.

The previous prime is 57073007. The next prime is 57073031. The reversal of 57073013 is 31037075.

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 57073013 - 2⁶ = 57072949 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 (57073033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2831 + ... + 11052.

It is an arithmetic number, because the mean of its divisors is an integer number (14272752).

Almost surely, 2^57073013 is an apocalyptic number.

It is an amenable number.

57073013 is a deficient number, since it is larger than the sum of its proper divisors (17995).

57073013 is a wasteful number, since it uses less digits than its factorization.

57073013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17994.

The product of its (nonzero) digits is 2205, while the sum is 26.

The square root of 57073013 is about 7554.6682918577. The cubic root of 57073013 is about 385.0143650119.

The spelling of 57073013 in words is "fifty-seven million, seventy-three thousand, thirteen".