570238961 has 4 divisors (see below), whose sum is σ = 570289524. Its totient is φ = 570188400.

The previous prime is 570238901. The next prime is 570238969. The reversal of 570238961 is 169832075.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 265527025 + 304711936 = 16295^2 + 17456^2 .

It is a cyclic number.

It is not a de Polignac number, because 570238961 - 2⁶ = 570238897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (570238969) 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, 191 + ... + 33771.

It is an arithmetic number, because the mean of its divisors is an integer number (142572381).

Almost surely, 2^570238961 is an apocalyptic number.

It is an amenable number.

570238961 is a deficient number, since it is larger than the sum of its proper divisors (50563).

570238961 is a wasteful number, since it uses less digits than its factorization.

570238961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50562.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 570238961 is about 23879.6767356679. The cubic root of 570238961 is about 829.2502839584.

The spelling of 570238961 in words is "five hundred seventy million, two hundred thirty-eight thousand, nine hundred sixty-one".