357142889 has 2 divisors, whose sum is σ = 357142890. Its totient is φ = 357142888.

The previous prime is 357142853. The next prime is 357142913. The reversal of 357142889 is 988241753.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 356907664 + 235225 = 18892^2 + 485^2 .

It is an emirp because it is prime and its reverse (988241753) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 357142889 - 2¹⁶ = 357077353 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (357142589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178571444 + 178571445.

It is an arithmetic number, because the mean of its divisors is an integer number (178571445).

Almost surely, 2^357142889 is an apocalyptic number.

It is an amenable number.

357142889 is a deficient number, since it is larger than the sum of its proper divisors (1).

357142889 is an equidigital number, since it uses as much as digits as its factorization.

357142889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 47.

The square root of 357142889 is about 18898.2244933221. The cubic root of 357142889 is about 709.4917270807.

The spelling of 357142889 in words is "three hundred fifty-seven million, one hundred forty-two thousand, eight hundred eighty-nine".