1258297 has 2 divisors, whose sum is σ = 1258298. Its totient is φ = 1258296.

The previous prime is 1258291. The next prime is 1258303. The reversal of 1258297 is 7928521.

It is a balanced prime because it is at equal distance from previous prime (1258291) and next prime (1258303).

It can be written as a sum of positive squares in only one way, i.e., 962361 + 295936 = 981^2 + 544^2 .

It is a cyclic number.

It is not a de Polignac number, because 1258297 - 2¹⁵ = 1225529 is a prime.

It is a super-2 number, since 2×1258297² = 3166622680418, which contains 22 as substring.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (1258291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629148 + 629149.

It is an arithmetic number, because the mean of its divisors is an integer number (629149).

2^1258297 is an apocalyptic number.

It is an amenable number.

1258297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1258297 is an equidigital number, since it uses as much as digits as its factorization.

1258297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 34.

The square root of 1258297 is about 1121.7383830466. The cubic root of 1258297 is about 107.9595470353.

The spelling of 1258297 in words is "one million, two hundred fifty-eight thousand, two hundred ninety-seven".