6545425 has 12 divisors (see below), whose sum is σ = 8594316. Its totient is φ = 4928000.

The previous prime is 6545423. The next prime is 6545437. The reversal of 6545425 is 5245456.

It can be written as a sum of positive squares in 6 ways, for example, as 804609 + 5740816 = 897^2 + 2396^2 .

It is not a de Polignac number, because 6545425 - 2¹ = 6545423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6545423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7276 + ... + 8125.

It is an arithmetic number, because the mean of its divisors is an integer number (716193).

Almost surely, 2^6545425 is an apocalyptic number.

It is an amenable number.

6545425 is a deficient number, since it is larger than the sum of its proper divisors (2048891).

6545425 is a wasteful number, since it uses less digits than its factorization.

6545425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15428 (or 15423 counting only the distinct ones).

The product of its digits is 24000, while the sum is 31.

The square root of 6545425 is about 2558.4028220747. The cubic root of 6545425 is about 187.0592908733.

Adding to 6545425 its sum of digits (31), we get a palindrome (6545456).

The spelling of 6545425 in words is "six million, five hundred forty-five thousand, four hundred twenty-five".