530861687 has 8 divisors (see below), whose sum is σ = 533660400. Its totient is φ = 528071104.

The previous prime is 530861677. The next prime is 530861707. The reversal of 530861687 is 786168035.

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

It is a cyclic number.

It is not a de Polignac number, because 530861687 - 2⁴ = 530861671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530861627) 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, 161363 + ... + 164619.

It is an arithmetic number, because the mean of its divisors is an integer number (66707550).

Almost surely, 2^530861687 is an apocalyptic number.

530861687 is a deficient number, since it is larger than the sum of its proper divisors (2798713).

530861687 is a wasteful number, since it uses less digits than its factorization.

530861687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4065.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 530861687 is about 23040.4359116749. The cubic root of 530861687 is about 809.7055714949.

The spelling of 530861687 in words is "five hundred thirty million, eight hundred sixty-one thousand, six hundred eighty-seven".