1255628252 has 6 divisors (see below), whose sum is σ = 2197349448. Its totient is φ = 627814124.

The previous prime is 1255628191. The next prime is 1255628261. The reversal of 1255628252 is 2528265521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 156953528 + ... + 156953535.

It is an arithmetic number, because the mean of its divisors is an integer number (366224908).

Almost surely, 2^1255628252 is an apocalyptic number.

It is an amenable number.

1255628252 is a deficient number, since it is larger than the sum of its proper divisors (941721196).

1255628252 is a wasteful number, since it uses less digits than its factorization.

1255628252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313907067 (or 313907065 counting only the distinct ones).

The product of its digits is 96000, while the sum is 38.

The square root of 1255628252 is about 35434.8451668693. The cubic root of 1255628252 is about 1078.8316847057.

The spelling of 1255628252 in words is "one billion, two hundred fifty-five million, six hundred twenty-eight thousand, two hundred fifty-two".