7452271157 has 2 divisors, whose sum is σ = 7452271158. Its totient is φ = 7452271156.

The previous prime is 7452271153. The next prime is 7452271159. The reversal of 7452271157 is 7511722547.

7452271157 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., 5063603281 + 2388667876 = 71159^2 + 48874^2 .

It is a cyclic number.

It is not a de Polignac number, because 7452271157 - 2² = 7452271153 is a prime.

Together with 7452271159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7452271153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3726135578 + 3726135579.

It is an arithmetic number, because the mean of its divisors is an integer number (3726135579).

Almost surely, 2^7452271157 is an apocalyptic number.

It is an amenable number.

7452271157 is a deficient number, since it is larger than the sum of its proper divisors (1).

7452271157 is an equidigital number, since it uses as much as digits as its factorization.

7452271157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 137200, while the sum is 41.

The square root of 7452271157 is about 86326.5379648692. The cubic root of 7452271157 is about 1953.2727122220.

The spelling of 7452271157 in words is "seven billion, four hundred fifty-two million, two hundred seventy-one thousand, one hundred fifty-seven".