1248629533 has 2 divisors, whose sum is σ = 1248629534. Its totient is φ = 1248629532.

The previous prime is 1248629509. The next prime is 1248629561. The reversal of 1248629533 is 3359268421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1192873444 + 55756089 = 34538^2 + 7467^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1248629533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1248629533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1248629033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624314766 + 624314767.

It is an arithmetic number, because the mean of its divisors is an integer number (624314767).

Almost surely, 2^1248629533 is an apocalyptic number.

It is an amenable number.

1248629533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248629533 is an equidigital number, since it uses as much as digits as its factorization.

1248629533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 43.

The square root of 1248629533 is about 35335.9524139367. The cubic root of 1248629533 is about 1076.8235235028.

The spelling of 1248629533 in words is "one billion, two hundred forty-eight million, six hundred twenty-nine thousand, five hundred thirty-three".