530215505 has 8 divisors (see below), whose sum is σ = 636943272. Its totient is φ = 423715968.

The previous prime is 530215489. The next prime is 530215519. The reversal of 530215505 is 505512035.

It can be written as a sum of positive squares in 4 ways, for example, as 1399489 + 528816016 = 1183^2 + 22996^2 .

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 530215505 - 2⁴ = 530215489 is a prime.

It is a super-2 number, since 2×530215505² = 562256963484810050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51902 + ... + 61271.

It is an arithmetic number, because the mean of its divisors is an integer number (79617909).

Almost surely, 2^530215505 is an apocalyptic number.

It is an amenable number.

530215505 is a deficient number, since it is larger than the sum of its proper divisors (106727767).

530215505 is a wasteful number, since it uses less digits than its factorization.

530215505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114115.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 530215505 is about 23026.4088602630. The cubic root of 530215505 is about 809.3769048419.

The spelling of 530215505 in words is "five hundred thirty million, two hundred fifteen thousand, five hundred five".