1252826993 has 8 divisors (see below), whose sum is σ = 1403659200. Its totient is φ = 1108151280.

The previous prime is 1252826909. The next prime is 1252827001. The reversal of 1252826993 is 3996282521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1252826993 - 2¹⁸ = 1252564849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252826293) 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 in 7 ways as a sum of consecutive naturals, for example, 1538693 + ... + 1539506.

It is an arithmetic number, because the mean of its divisors is an integer number (175457400).

Almost surely, 2^1252826993 is an apocalyptic number.

It is an amenable number.

1252826993 is a deficient number, since it is larger than the sum of its proper divisors (150832207).

1252826993 is a wasteful number, since it uses less digits than its factorization.

1252826993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3078247.

The product of its digits is 466560, while the sum is 47.

The square root of 1252826993 is about 35395.2961987889. The cubic root of 1252826993 is about 1078.0288098266.

The spelling of 1252826993 in words is "one billion, two hundred fifty-two million, eight hundred twenty-six thousand, nine hundred ninety-three".