6530625 has 60 divisors (see below), whose sum is σ = 12508496. Its totient is φ = 3402000.

The previous prime is 6530621. The next prime is 6530659. The reversal of 6530625 is 5260356.

6530625 is a `hidden beast` number, since 6 + 5 + 30 + 625 = 666.

It is not a de Polignac number, because 6530625 - 2² = 6530621 is a prime.

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

It is a Duffinian number.

6530625 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6530621) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 151854 + ... + 151896.

Almost surely, 2^6530625 is an apocalyptic number.

It is an amenable number.

6530625 is a deficient number, since it is larger than the sum of its proper divisors (5977871).

6530625 is an frugal number, since it uses more digits than its factorization.

6530625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 6530625 is about 2555.5087556101. The cubic root of 6530625 is about 186.9181965593.

The spelling of 6530625 in words is "six million, five hundred thirty thousand, six hundred twenty-five".