6502525 has 12 divisors (see below), whose sum is σ = 8342100. Its totient is φ = 5022080.

The previous prime is 6502519. The next prime is 6502543. The reversal of 6502525 is 5252056.

It can be written as a sum of positive squares in 6 ways, for example, as 86436 + 6416089 = 294^2 + 2533^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6502525 is a prime.

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

6502525 is a modest number, since divided by 2525 gives 650 as remainder.

6502525 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6502525.

It is a congruent number.

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, 3760 + ... + 5209.

It is an arithmetic number, because the mean of its divisors is an integer number (695175).

Almost surely, 2^6502525 is an apocalyptic number.

It is an amenable number.

6502525 is a deficient number, since it is larger than the sum of its proper divisors (1839575).

6502525 is a wasteful number, since it uses less digits than its factorization.

6502525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9008 (or 9003 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 6502525 is about 2550.0049019561. The cubic root of 6502525 is about 186.6497203295.

Subtracting from 6502525 its sum of digits (25), we obtain a square (6502500 = 2550²).

It can be divided in two parts, 65025 and 25, that multiplied together give a square (1625625 = 1275²).

The spelling of 6502525 in words is "six million, five hundred two thousand, five hundred twenty-five".