5430509 has 4 divisors (see below), whose sum is σ = 6206304. Its totient is φ = 4654716.

The previous prime is 5430493. The next prime is 5430541. The reversal of 5430509 is 9050345.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9050345 = 5 ⋅1810069.

It is a cyclic number.

It is not a de Polignac number, because 5430509 - 2⁴ = 5430493 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5430559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387887 + ... + 387900.

It is an arithmetic number, because the mean of its divisors is an integer number (1551576).

Almost surely, 2^5430509 is an apocalyptic number.

It is an amenable number.

5430509 is a deficient number, since it is larger than the sum of its proper divisors (775795).

5430509 is an equidigital number, since it uses as much as digits as its factorization.

5430509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775794.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 5430509 is about 2330.3452533906. The cubic root of 5430509 is about 175.7708471743.

The spelling of 5430509 in words is "five million, four hundred thirty thousand, five hundred nine".