530280405 has 64 divisors (see below), whose sum is σ = 1050796800. Its totient is φ = 252149760.

The previous prime is 530280403. The next prime is 530280409. The reversal of 530280405 is 504082035.

It is not a de Polignac number, because 530280405 - 2¹ = 530280403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530280403) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37525 + ... + 49685.

It is an arithmetic number, because the mean of its divisors is an integer number (16418700).

Almost surely, 2^530280405 is an apocalyptic number.

It is an amenable number.

530280405 is a deficient number, since it is larger than the sum of its proper divisors (520516395).

530280405 is a wasteful number, since it uses less digits than its factorization.

530280405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12211 (or 12205 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 530280405 is about 23027.8180685883. The cubic root of 530280405 is about 809.4099268977.

The spelling of 530280405 in words is "five hundred thirty million, two hundred eighty thousand, four hundred five".