7157725229 has 2 divisors, whose sum is σ = 7157725230. Its totient is φ = 7157725228.

The previous prime is 7157725217. The next prime is 7157725241. The reversal of 7157725229 is 9225277517.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (7157725217) and next prime (7157725241).

It can be written as a sum of positive squares in only one way, i.e., 6996486025 + 161239204 = 83645^2 + 12698^2 .

It is a cyclic number.

It is not a de Polignac number, because 7157725229 - 2¹⁶ = 7157659693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7157725279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3578862614 + 3578862615.

It is an arithmetic number, because the mean of its divisors is an integer number (3578862615).

Almost surely, 2^7157725229 is an apocalyptic number.

It is an amenable number.

7157725229 is a deficient number, since it is larger than the sum of its proper divisors (1).

7157725229 is an equidigital number, since it uses as much as digits as its factorization.

7157725229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 617400, while the sum is 47.

The square root of 7157725229 is about 84603.3405309743. The cubic root of 7157725229 is about 1927.1921036938.

The spelling of 7157725229 in words is "seven billion, one hundred fifty-seven million, seven hundred twenty-five thousand, two hundred twenty-nine".