1253345245 has 16 divisors (see below), whose sum is σ = 1522261440. Its totient is φ = 990549504.

The previous prime is 1253345227. The next prime is 1253345257. The reversal of 1253345245 is 5425433521.

It is a cyclic number.

It is not a de Polignac number, because 1253345245 - 2⁹ = 1253344733 is a prime.

It is a super-2 number, since 2×1253345245² = 3141748606328220050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1253345245.

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 15 ways as a sum of consecutive naturals, for example, 309846 + ... + 313864.

It is an arithmetic number, because the mean of its divisors is an integer number (95141340).

Almost surely, 2^1253345245 is an apocalyptic number.

It is an amenable number.

1253345245 is a deficient number, since it is larger than the sum of its proper divisors (268916195).

1253345245 is an equidigital number, since it uses as much as digits as its factorization.

1253345245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4764.

The product of its digits is 72000, while the sum is 34.

The square root of 1253345245 is about 35402.6163581168. The cubic root of 1253345245 is about 1078.1774373095.

Adding to 1253345245 its reverse (5425433521), we get a palindrome (6678778766).

The spelling of 1253345245 in words is "one billion, two hundred fifty-three million, three hundred forty-five thousand, two hundred forty-five".