530406305 has 16 divisors (see below), whose sum is σ = 747762624. Its totient is φ = 356076480.

The previous prime is 530406277. The next prime is 530406329. The reversal of 530406305 is 503604035.

It is not a de Polignac number, because 530406305 - 2²⁰ = 529357729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370199 + ... + 371628.

It is an arithmetic number, because the mean of its divisors is an integer number (46735164).

Almost surely, 2^530406305 is an apocalyptic number.

530406305 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

530406305 is a deficient number, since it is larger than the sum of its proper divisors (217356319).

530406305 is a wasteful number, since it uses less digits than its factorization.

530406305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741856.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 530406305 is about 23030.5515565737. The cubic root of 530406305 is about 809.4739789509.

The spelling of 530406305 in words is "five hundred thirty million, four hundred six thousand, three hundred five".