573073381 has 4 divisors (see below), whose sum is σ = 578981452. Its totient is φ = 567165312.

The previous prime is 573073373. The next prime is 573073463. The reversal of 573073381 is 183370375.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 149084100 + 423989281 = 12210^2 + 20591^2 .

It is a cyclic number.

It is not a de Polignac number, because 573073381 - 2³ = 573073373 is a prime.

It is a super-2 number, since 2×573073381² = 656826200021542322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 573073381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (573073481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2953890 + ... + 2954083.

It is an arithmetic number, because the mean of its divisors is an integer number (144745363).

Almost surely, 2^573073381 is an apocalyptic number.

It is an amenable number.

573073381 is a deficient number, since it is larger than the sum of its proper divisors (5908071).

573073381 is an equidigital number, since it uses as much as digits as its factorization.

573073381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5908070.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 573073381 is about 23938.9511257281. The cubic root of 573073381 is about 830.6219661891.

The spelling of 573073381 in words is "five hundred seventy-three million, seventy-three thousand, three hundred eighty-one".