7538065523 has 8 divisors (see below), whose sum is σ = 8003720160. Its totient is φ = 7074881920.

The previous prime is 7538065511. The next prime is 7538065559. The reversal of 7538065523 is 3255608357.

7538065523 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7538065523 - 2⁸ = 7538065267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7538065123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611468 + ... + 623673.

It is an arithmetic number, because the mean of its divisors is an integer number (1000465020).

Almost surely, 2^7538065523 is an apocalyptic number.

7538065523 is a deficient number, since it is larger than the sum of its proper divisors (465654637).

7538065523 is a wasteful number, since it uses less digits than its factorization.

7538065523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235517.

The product of its (nonzero) digits is 756000, while the sum is 44.

The square root of 7538065523 is about 86822.0336262633. The cubic root of 7538065523 is about 1960.7398223182.

The spelling of 7538065523 in words is "seven billion, five hundred thirty-eight million, sixty-five thousand, five hundred twenty-three".