7520543 has 2 divisors, whose sum is σ = 7520544. Its totient is φ = 7520542.

The previous prime is 7520503. The next prime is 7520551. The reversal of 7520543 is 3450257.

7520543 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7520543 - 2⁶ = 7520479 is a prime.

It is equal to p₅₀₉₅₄₃ and since 7520543 and 509543 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7520503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3760271 + 3760272.

It is an arithmetic number, because the mean of its divisors is an integer number (3760272).

Almost surely, 2^7520543 is an apocalyptic number.

7520543 is a deficient number, since it is larger than the sum of its proper divisors (1).

7520543 is an equidigital number, since it uses as much as digits as its factorization.

7520543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 7520543 is about 2742.3608442362. The cubic root of 7520543 is about 195.9219371904.

The spelling of 7520543 in words is "seven million, five hundred twenty thousand, five hundred forty-three".