6465125 has 8 divisors (see below), whose sum is σ = 8068632. Its totient is φ = 5172000.

The previous prime is 6465101. The next prime is 6465127. The reversal of 6465125 is 5215646.

It can be written as a sum of positive squares in 4 ways, for example, as 1366561 + 5098564 = 1169^2 + 2258^2 .

It is not a de Polignac number, because 6465125 - 2⁶ = 6465061 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 (6465127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25736 + ... + 25985.

It is an arithmetic number, because the mean of its divisors is an integer number (1008579).

Almost surely, 2^6465125 is an apocalyptic number.

It is an amenable number.

6465125 is a deficient number, since it is larger than the sum of its proper divisors (1603507).

6465125 is an equidigital number, since it uses as much as digits as its factorization.

6465125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51736 (or 51726 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 6465125 is about 2542.6610076847. The cubic root of 6465125 is about 186.2911864833.

The spelling of 6465125 in words is "six million, four hundred sixty-five thousand, one hundred twenty-five".