574663381 has 4 divisors (see below), whose sum is σ = 577580652. Its totient is φ = 571746112.

The previous prime is 574663367. The next prime is 574663387. The reversal of 574663381 is 183366475.

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 441630225 + 133033156 = 21015^2 + 11534^2 .

It is a cyclic number.

It is not a de Polignac number, because 574663381 - 2¹³ = 574655189 is a prime.

It is a super-2 number, since 2×574663381² = 660476002924702322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (574663387) 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, 1458340 + ... + 1458733.

It is an arithmetic number, because the mean of its divisors is an integer number (144395163).

Almost surely, 2^574663381 is an apocalyptic number.

It is an amenable number.

574663381 is a deficient number, since it is larger than the sum of its proper divisors (2917271).

574663381 is a wasteful number, since it uses less digits than its factorization.

574663381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917270.

The product of its digits is 362880, while the sum is 43.

The square root of 574663381 is about 23972.1375976361. The cubic root of 574663381 is about 831.3894475309.

The spelling of 574663381 in words is "five hundred seventy-four million, six hundred sixty-three thousand, three hundred eighty-one".