1068953257 has 2 divisors, whose sum is σ = 1068953258. Its totient is φ = 1068953256.

The previous prime is 1068953231. The next prime is 1068953293. The reversal of 1068953257 is 7523598601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1058591296 + 10361961 = 32536^2 + 3219^2 .

It is an emirp because it is prime and its reverse (7523598601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1068953257 - 2²³ = 1060564649 is a prime.

It is a super-2 number, since 2×1068953257² = 2285322131301816098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1068953227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534476628 + 534476629.

It is an arithmetic number, because the mean of its divisors is an integer number (534476629).

Almost surely, 2^1068953257 is an apocalyptic number.

It is an amenable number.

1068953257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068953257 is an equidigital number, since it uses as much as digits as its factorization.

1068953257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 1068953257 is about 32694.8506190195. The cubic root of 1068953257 is about 1022.4754870051.

The spelling of 1068953257 in words is "one billion, sixty-eight million, nine hundred fifty-three thousand, two hundred fifty-seven".