1253303245 has 4 divisors (see below), whose sum is σ = 1503963900. Its totient is φ = 1002642592.

The previous prime is 1253303239. The next prime is 1253303299. The reversal of 1253303245 is 5423033521.

1253303245 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5423033521 = 2267 ⋅2392163.

It can be written as a sum of positive squares in 2 ways, for example, as 768731076 + 484572169 = 27726^2 + 22013^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253303245 - 2⁹ = 1253302733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125330320 + ... + 125330329.

It is an arithmetic number, because the mean of its divisors is an integer number (375990975).

Almost surely, 2^1253303245 is an apocalyptic number.

It is an amenable number.

1253303245 is a deficient number, since it is larger than the sum of its proper divisors (250660655).

1253303245 is an equidigital number, since it uses as much as digits as its factorization.

1253303245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250660654.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 1253303245 is about 35402.0231766491. The cubic root of 1253303245 is about 1078.1653938181.

Adding to 1253303245 its reverse (5423033521), we get a palindrome (6676336766).

The spelling of 1253303245 in words is "one billion, two hundred fifty-three million, three hundred three thousand, two hundred forty-five".