1345633 has 2 divisors, whose sum is σ = 1345634. Its totient is φ = 1345632.

The previous prime is 1345627. The next prime is 1345649. The reversal of 1345633 is 3365431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1024144 + 321489 = 1012^2 + 567^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1345633 is a prime.

1345633 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1345598 and 1345607.

It is not a weakly prime, because it can be changed into another prime (1345693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672816 + 672817.

It is an arithmetic number, because the mean of its divisors is an integer number (672817).

2^1345633 is an apocalyptic number.

It is an amenable number.

1345633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345633 is an equidigital number, since it uses as much as digits as its factorization.

1345633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 25.

The square root of 1345633 is about 1160.0142240507. The cubic root of 1345633 is about 110.4016446317.

The spelling of 1345633 in words is "one million, three hundred forty-five thousand, six hundred thirty-three".