7157225357 has 2 divisors, whose sum is σ = 7157225358. Its totient is φ = 7157225356.

The previous prime is 7157225333. The next prime is 7157225371. The reversal of 7157225357 is 7535227517.

7157225357 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., 7120996996 + 36228361 = 84386^2 + 6019^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7157225357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7157725357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3578612678 + 3578612679.

It is an arithmetic number, because the mean of its divisors is an integer number (3578612679).

Almost surely, 2^7157225357 is an apocalyptic number.

It is an amenable number.

7157225357 is a deficient number, since it is larger than the sum of its proper divisors (1).

7157225357 is an equidigital number, since it uses as much as digits as its factorization.

7157225357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 514500, while the sum is 44.

The square root of 7157225357 is about 84600.3862698038. The cubic root of 7157225357 is about 1927.1472397290.

The spelling of 7157225357 in words is "seven billion, one hundred fifty-seven million, two hundred twenty-five thousand, three hundred fifty-seven".