7545051533 has 2 divisors, whose sum is σ = 7545051534. Its totient is φ = 7545051532.

The previous prime is 7545051523. The next prime is 7545051541. The reversal of 7545051533 is 3351505457.

7545051533 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 can be written as a sum of positive squares in only one way, i.e., 6274699369 + 1270352164 = 79213^2 + 35642^2 .

It is an emirp because it is prime and its reverse (3351505457) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7545051533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7545051523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3772525766 + 3772525767.

It is an arithmetic number, because the mean of its divisors is an integer number (3772525767).

Almost surely, 2^7545051533 is an apocalyptic number.

It is an amenable number.

7545051533 is a deficient number, since it is larger than the sum of its proper divisors (1).

7545051533 is an equidigital number, since it uses as much as digits as its factorization.

7545051533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157500, while the sum is 38.

The square root of 7545051533 is about 86862.2560897425. The cubic root of 7545051533 is about 1961.3453498511.

The spelling of 7545051533 in words is "seven billion, five hundred forty-five million, fifty-one thousand, five hundred thirty-three".