530830649 has 8 divisors (see below), whose sum is σ = 549165960. Its totient is φ = 512752000.

The previous prime is 530830631. The next prime is 530830667. The reversal of 530830649 is 946038035.

It is an interprime number because it is at equal distance from previous prime (530830631) and next prime (530830667).

It can be written as a sum of positive squares in 4 ways, for example, as 263835049 + 266995600 = 16243^2 + 16340^2 .

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 530830649 - 2⁸ = 530830393 is a prime.

It is a super-2 number, since 2×530830649² = 563562355835522402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530830609) 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, 59954 + ... + 68235.

It is an arithmetic number, because the mean of its divisors is an integer number (68645745).

Almost surely, 2^530830649 is an apocalyptic number.

It is an amenable number.

530830649 is a deficient number, since it is larger than the sum of its proper divisors (18335311).

530830649 is a wasteful number, since it uses less digits than its factorization.

530830649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128331.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 530830649 is about 23039.7623468646. The cubic root of 530830649 is about 809.6897907796.

The spelling of 530830649 in words is "five hundred thirty million, eight hundred thirty thousand, six hundred forty-nine".