1258349 has 2 divisors, whose sum is σ = 1258350. Its totient is φ = 1258348.

The previous prime is 1258343. The next prime is 1258373. The reversal of 1258349 is 9438521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 990025 + 268324 = 995^2 + 518^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1258349 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1258343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629174 + 629175.

It is an arithmetic number, because the mean of its divisors is an integer number (629175).

2^1258349 is an apocalyptic number.

It is an amenable number.

1258349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1258349 is an equidigital number, since it uses as much as digits as its factorization.

1258349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 1258349 is about 1121.7615611172. The cubic root of 1258349 is about 107.9610341826.

The spelling of 1258349 in words is "one million, two hundred fifty-eight thousand, three hundred forty-nine".