7505525543 has 2 divisors, whose sum is σ = 7505525544. Its totient is φ = 7505525542.

The previous prime is 7505525539. The next prime is 7505525549. The reversal of 7505525543 is 3455255057.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7505525543 - 2² = 7505525539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7505525543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7505525549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3752762771 + 3752762772.

It is an arithmetic number, because the mean of its divisors is an integer number (3752762772).

Almost surely, 2^7505525543 is an apocalyptic number.

7505525543 is a deficient number, since it is larger than the sum of its proper divisors (1).

7505525543 is an equidigital number, since it uses as much as digits as its factorization.

7505525543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 525000, while the sum is 41.

The square root of 7505525543 is about 86634.4362421780. The cubic root of 7505525543 is about 1957.9144085698.

The spelling of 7505525543 in words is "seven billion, five hundred five million, five hundred twenty-five thousand, five hundred forty-three".