7153505243 has 2 divisors, whose sum is σ = 7153505244. Its totient is φ = 7153505242.

The previous prime is 7153505239. The next prime is 7153505321. The reversal of 7153505243 is 3425053517.

It is a weak prime.

It is an emirp because it is prime and its reverse (3425053517) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7153505243 - 2² = 7153505239 is a prime.

It is not a weakly prime, because it can be changed into another prime (7153505743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3576752621 + 3576752622.

It is an arithmetic number, because the mean of its divisors is an integer number (3576752622).

Almost surely, 2^7153505243 is an apocalyptic number.

7153505243 is a deficient number, since it is larger than the sum of its proper divisors (1).

7153505243 is an equidigital number, since it uses as much as digits as its factorization.

7153505243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 7153505243 is about 84578.3970231170. The cubic root of 7153505243 is about 1926.8132904893.

The spelling of 7153505243 in words is "seven billion, one hundred fifty-three million, five hundred five thousand, two hundred forty-three".