957172427 has 2 divisors, whose sum is σ = 957172428. Its totient is φ = 957172426.

The previous prime is 957172417. The next prime is 957172507. The reversal of 957172427 is 724271759.

957172427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (724271759) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-957172427 is a prime.

It is not a weakly prime, because it can be changed into another prime (957172417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478586213 + 478586214.

It is an arithmetic number, because the mean of its divisors is an integer number (478586214).

Almost surely, 2^957172427 is an apocalyptic number.

957172427 is a deficient number, since it is larger than the sum of its proper divisors (1).

957172427 is an equidigital number, since it uses as much as digits as its factorization.

957172427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 246960, while the sum is 44.

The square root of 957172427 is about 30938.2033576612. The cubic root of 957172427 is about 985.5153502390.

The spelling of 957172427 in words is "nine hundred fifty-seven million, one hundred seventy-two thousand, four hundred twenty-seven".