6505025 has 6 divisors (see below), whose sum is σ = 8066262. Its totient is φ = 5204000.

The previous prime is 6505013. The next prime is 6505027. The reversal of 6505025 is 5205056.

It can be written as a sum of positive squares in 3 ways, for example, as 1201216 + 5303809 = 1096^2 + 2303^2 .

It is not a de Polignac number, because 6505025 - 2⁸ = 6504769 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 (6505027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130076 + ... + 130125.

It is an arithmetic number, because the mean of its divisors is an integer number (1344377).

Almost surely, 2^6505025 is an apocalyptic number.

It is an amenable number.

6505025 is a deficient number, since it is larger than the sum of its proper divisors (1561237).

6505025 is a wasteful number, since it uses less digits than its factorization.

6505025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260211 (or 260206 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 6505025 is about 2550.4950499854. The cubic root of 6505025 is about 186.6736374239.

The spelling of 6505025 in words is "six million, five hundred five thousand, twenty-five".