1349251 has 2 divisors, whose sum is σ = 1349252. Its totient is φ = 1349250.

The previous prime is 1349233. The next prime is 1349281. The reversal of 1349251 is 1529431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1349251 - 2⁵ = 1349219 is a prime.

It is a super-2 number, since 2×1349251² = 3640956522002, which contains 22 as substring.

1349251 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1349281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674625 + 674626.

It is an arithmetic number, because the mean of its divisors is an integer number (674626).

2^1349251 is an apocalyptic number.

1349251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1349251 is an equidigital number, since it uses as much as digits as its factorization.

1349251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

The square root of 1349251 is about 1161.5726408624. The cubic root of 1349251 is about 110.5005016255.

It can be divided in two parts, 1349 and 251, that added together give a square (1600 = 40²).

The spelling of 1349251 in words is "one million, three hundred forty-nine thousand, two hundred fifty-one".