530640345 has 8 divisors (see below), whose sum is σ = 849024576. Its totient is φ = 283008176.

The previous prime is 530640317. The next prime is 530640349. The reversal of 530640345 is 543046035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530640345 is a prime.

It is not an unprimeable number, because it can be changed into a prime (530640349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17687997 + ... + 17688026.

It is an arithmetic number, because the mean of its divisors is an integer number (106128072).

Almost surely, 2^530640345 is an apocalyptic number.

It is an amenable number.

530640345 is a deficient number, since it is larger than the sum of its proper divisors (318384231).

530640345 is a wasteful number, since it uses less digits than its factorization.

530640345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35376031.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 530640345 is about 23035.6320729430. The cubic root of 530640345 is about 809.5930206682.

The spelling of 530640345 in words is "five hundred thirty million, six hundred forty thousand, three hundred forty-five".