6530425 has 12 divisors (see below), whose sum is σ = 8834256. Its totient is φ = 4749200.

The previous prime is 6530417. The next prime is 6530437. The reversal of 6530425 is 5240356.

It is not a de Polignac number, because 6530425 - 2³ = 6530417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6530425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11599 + ... + 12148.

It is an arithmetic number, because the mean of its divisors is an integer number (736188).

Almost surely, 2^6530425 is an apocalyptic number.

It is an amenable number.

6530425 is a deficient number, since it is larger than the sum of its proper divisors (2303831).

6530425 is a wasteful number, since it uses less digits than its factorization.

6530425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23768 (or 23763 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 6530425 is about 2555.4696241591. The cubic root of 6530425 is about 186.9162884203.

The spelling of 6530425 in words is "six million, five hundred thirty thousand, four hundred twenty-five".