6752521 has 2 divisors, whose sum is σ = 6752522. Its totient is φ = 6752520.

The previous prime is 6752509. The next prime is 6752533. The reversal of 6752521 is 1252576.

It is a balanced prime because it is at equal distance from previous prime (6752509) and next prime (6752533).

It can be written as a sum of positive squares in only one way, i.e., 6734025 + 18496 = 2595^2 + 136^2 .

It is a cyclic number.

It is not a de Polignac number, because 6752521 - 2⁵ = 6752489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6752521.

It is not a weakly prime, because it can be changed into another prime (6752321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3376260 + 3376261.

It is an arithmetic number, because the mean of its divisors is an integer number (3376261).

Almost surely, 2^6752521 is an apocalyptic number.

It is an amenable number.

6752521 is a deficient number, since it is larger than the sum of its proper divisors (1).

6752521 is an equidigital number, since it uses as much as digits as its factorization.

6752521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 28.

The square root of 6752521 is about 2598.5613327378. The cubic root of 6752521 is about 189.0116824148.

Subtracting from 6752521 its reverse (1252576), we obtain a palindrome (5499945).

The spelling of 6752521 in words is "six million, seven hundred fifty-two thousand, five hundred twenty-one".