942711257 has 2 divisors, whose sum is σ = 942711258. Its totient is φ = 942711256.

The previous prime is 942711181. The next prime is 942711313. The reversal of 942711257 is 752117249.

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., 909866896 + 32844361 = 30164^2 + 5731^2 .

It is a cyclic number.

It is not a de Polignac number, because 942711257 - 2¹⁴ = 942694873 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 942711257.

It is not a weakly prime, because it can be changed into another prime (942714257) 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, 471355628 + 471355629.

It is an arithmetic number, because the mean of its divisors is an integer number (471355629).

Almost surely, 2^942711257 is an apocalyptic number.

It is an amenable number.

942711257 is a deficient number, since it is larger than the sum of its proper divisors (1).

942711257 is an equidigital number, since it uses as much as digits as its factorization.

942711257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 38.

The square root of 942711257 is about 30703.6033227372. The cubic root of 942711257 is about 980.5270166177.

The spelling of 942711257 in words is "nine hundred forty-two million, seven hundred eleven thousand, two hundred fifty-seven".