571394949 has 4 divisors (see below), whose sum is σ = 761859936. Its totient is φ = 380929964.

The previous prime is 571394947. The next prime is 571394981. The reversal of 571394949 is 949493175.

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 571394949 - 2¹ = 571394947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (571394947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95232489 + ... + 95232494.

It is an arithmetic number, because the mean of its divisors is an integer number (190464984).

Almost surely, 2^571394949 is an apocalyptic number.

It is an amenable number.

571394949 is a deficient number, since it is larger than the sum of its proper divisors (190464987).

571394949 is a wasteful number, since it uses less digits than its factorization.

571394949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190464986.

The product of its digits is 1224720, while the sum is 51.

The square root of 571394949 is about 23903.8689127932. The cubic root of 571394949 is about 829.8102575901.

The spelling of 571394949 in words is "five hundred seventy-one million, three hundred ninety-four thousand, nine hundred forty-nine".