1252733659 has 2 divisors, whose sum is σ = 1252733660. Its totient is φ = 1252733658.

The previous prime is 1252733567. The next prime is 1252733681. The reversal of 1252733659 is 9563372521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252733659 is a prime.

It is not a weakly prime, because it can be changed into another prime (1252733959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626366829 + 626366830.

It is an arithmetic number, because the mean of its divisors is an integer number (626366830).

Almost surely, 2^1252733659 is an apocalyptic number.

1252733659 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252733659 is an equidigital number, since it uses as much as digits as its factorization.

1252733659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 43.

The square root of 1252733659 is about 35393.9777222058. The cubic root of 1252733659 is about 1078.0020385751.

The spelling of 1252733659 in words is "one billion, two hundred fifty-two million, seven hundred thirty-three thousand, six hundred fifty-nine".