530157643 has 4 divisors (see below), whose sum is σ = 530881648. Its totient is φ = 529433640.

The previous prime is 530157637. The next prime is 530157673. The reversal of 530157643 is 346751035.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530157643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 530157599 and 530157608.

It is not an unprimeable number, because it can be changed into a prime (530157673) 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, 360903 + ... + 362368.

It is an arithmetic number, because the mean of its divisors is an integer number (132720412).

Almost surely, 2^530157643 is an apocalyptic number.

530157643 is a deficient number, since it is larger than the sum of its proper divisors (724005).

530157643 is an equidigital number, since it uses as much as digits as its factorization.

530157643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724004.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 530157643 is about 23025.1523990613. The cubic root of 530157643 is about 809.3474615497.

The spelling of 530157643 in words is "five hundred thirty million, one hundred fifty-seven thousand, six hundred forty-three".