1299533 has 2 divisors, whose sum is σ = 1299534. Its totient is φ = 1299532.

The previous prime is 1299499. The next prime is 1299541. The reversal of 1299533 is 3359921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1295044 + 4489 = 1138^2 + 67^2 .

It is an emirp because it is prime and its reverse (3359921) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1299533 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1299533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1299553) 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, 649766 + 649767.

It is an arithmetic number, because the mean of its divisors is an integer number (649767).

2^1299533 is an apocalyptic number.

It is an amenable number.

1299533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1299533 is an equidigital number, since it uses as much as digits as its factorization.

1299533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7290, while the sum is 32.

The square root of 1299533 is about 1139.9706136563. The cubic root of 1299533 is about 109.1262180107.

The spelling of 1299533 in words is "one million, two hundred ninety-nine thousand, five hundred thirty-three".