530705857 has 4 divisors (see below), whose sum is σ = 578951856. Its totient is φ = 482459860.

The previous prime is 530705831. The next prime is 530705863. The reversal of 530705857 is 758507035.

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 530705857 - 2¹¹ = 530703809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530705557) 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, 24122983 + ... + 24123004.

It is an arithmetic number, because the mean of its divisors is an integer number (144737964).

Almost surely, 2^530705857 is an apocalyptic number.

It is an amenable number.

530705857 is a deficient number, since it is larger than the sum of its proper divisors (48245999).

530705857 is a wasteful number, since it uses less digits than its factorization.

530705857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48245998.

The product of its (nonzero) digits is 147000, while the sum is 40.

The square root of 530705857 is about 23037.0540000235. The cubic root of 530705857 is about 809.6263363128.

The spelling of 530705857 in words is "five hundred thirty million, seven hundred five thousand, eight hundred fifty-seven".