1253783255 has 4 divisors (see below), whose sum is σ = 1504539912. Its totient is φ = 1003026600.

The previous prime is 1253783227. The next prime is 1253783257. The reversal of 1253783255 is 5523873521.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1253783255 - 2¹⁶ = 1253717719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253783257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125378321 + ... + 125378330.

It is an arithmetic number, because the mean of its divisors is an integer number (376134978).

Almost surely, 2^1253783255 is an apocalyptic number.

1253783255 is a deficient number, since it is larger than the sum of its proper divisors (250756657).

1253783255 is an equidigital number, since it uses as much as digits as its factorization.

1253783255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250756656.

The product of its digits is 252000, while the sum is 41.

The square root of 1253783255 is about 35408.8019424549. The cubic root of 1253783255 is about 1078.3030205566.

The spelling of 1253783255 in words is "one billion, two hundred fifty-three million, seven hundred eighty-three thousand, two hundred fifty-five".