6530429 has 4 divisors (see below), whose sum is σ = 6741120. Its totient is φ = 6319740.

The previous prime is 6530417. The next prime is 6530437. The reversal of 6530429 is 9240356.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6530429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6530929) 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, 105299 + ... + 105360.

It is an arithmetic number, because the mean of its divisors is an integer number (1685280).

Almost surely, 2^6530429 is an apocalyptic number.

It is an amenable number.

6530429 is a deficient number, since it is larger than the sum of its proper divisors (210691).

6530429 is a wasteful number, since it uses less digits than its factorization.

6530429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210690.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 6530429 is about 2555.4704067940. The cubic root of 6530429 is about 186.9163265834.

The spelling of 6530429 in words is "six million, five hundred thirty thousand, four hundred twenty-nine".