1345441 has 2 divisors, whose sum is σ = 1345442. Its totient is φ = 1345440.

The previous prime is 1345423. The next prime is 1345451. The reversal of 1345441 is 1445431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1123600 + 221841 = 1060^2 + 471^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345441 - 2¹⁵ = 1312673 is a prime.

It is a super-2 number, since 2×1345441² = 3620422968962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1345451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672720 + 672721.

It is an arithmetic number, because the mean of its divisors is an integer number (672721).

2^1345441 is an apocalyptic number.

It is an amenable number.

1345441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345441 is an equidigital number, since it uses as much as digits as its factorization.

1345441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 22.

The square root of 1345441 is about 1159.9314634926. The cubic root of 1345441 is about 110.3963935407.

It can be divided in two parts, 13 and 45441, that added together give a palindrome (45454).

The spelling of 1345441 in words is "one million, three hundred forty-five thousand, four hundred forty-one".