1255983825 has 24 divisors (see below), whose sum is σ = 2078190400. Its totient is φ = 669332160.

The previous prime is 1255983811. The next prime is 1255983863. The reversal of 1255983825 is 5283895521.

It is a happy number.

1255983825 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1255983825 - 2¹⁴ = 1255967441 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101316 + ... + 113034.

Almost surely, 2^1255983825 is an apocalyptic number.

1255983825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1255983825 is a deficient number, since it is larger than the sum of its proper divisors (822206575).

1255983825 is a wasteful number, since it uses less digits than its factorization.

1255983825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13161 (or 13156 counting only the distinct ones).

The product of its digits is 864000, while the sum is 48.

The square root of 1255983825 is about 35439.8620905895. The cubic root of 1255983825 is about 1078.9335108138.

The spelling of 1255983825 in words is "one billion, two hundred fifty-five million, nine hundred eighty-three thousand, eight hundred twenty-five".