1163257 has 2 divisors, whose sum is σ = 1163258. Its totient is φ = 1163256.

The previous prime is 1163251. The next prime is 1163263. The reversal of 1163257 is 7523611.

It is a balanced prime because it is at equal distance from previous prime (1163251) and next prime (1163263).

It can be written as a sum of positive squares in only one way, i.e., 952576 + 210681 = 976^2 + 459^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1163257 is a prime.

It is not a weakly prime, because it can be changed into another prime (1163251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581628 + 581629.

It is an arithmetic number, because the mean of its divisors is an integer number (581629).

2^1163257 is an apocalyptic number.

It is an amenable number.

1163257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163257 is an equidigital number, since it uses as much as digits as its factorization.

1163257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 25.

The square root of 1163257 is about 1078.5439258556. The cubic root of 1163257 is about 105.1700042670.

Adding to 1163257 its reverse (7523611), we get a palindrome (8686868).

The spelling of 1163257 in words is "one million, one hundred sixty-three thousand, two hundred fifty-seven".