1255253245 has 8 divisors (see below), whose sum is σ = 1506655800. Its totient is φ = 1003968000.

The previous prime is 1255253213. The next prime is 1255253257. The reversal of 1255253245 is 5423525521.

It can be written as a sum of positive squares in 4 ways, for example, as 279190681 + 976062564 = 16709^2 + 31242^2 .

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

It is not a de Polignac number, because 1255253245 - 2⁵ = 1255253213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1255253245.

It is a congruent number.

It is an unprimeable number.

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, 3756 + ... + 50245.

It is an arithmetic number, because the mean of its divisors is an integer number (188331975).

Almost surely, 2^1255253245 is an apocalyptic number.

It is an amenable number.

1255253245 is a deficient number, since it is larger than the sum of its proper divisors (251402555).

1255253245 is an equidigital number, since it uses as much as digits as its factorization.

1255253245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58655.

The product of its digits is 60000, while the sum is 34.

The square root of 1255253245 is about 35429.5532712452. The cubic root of 1255253245 is about 1078.7242724160.

Adding to 1255253245 its reverse (5423525521), we get a palindrome (6678778766).

The spelling of 1255253245 in words is "one billion, two hundred fifty-five million, two hundred fifty-three thousand, two hundred forty-five".