1253353245 has 8 divisors (see below), whose sum is σ = 2005365216. Its totient is φ = 668455056.

The previous prime is 1253353229. The next prime is 1253353247. The reversal of 1253353245 is 5423533521.

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

It is not a de Polignac number, because 1253353245 - 2⁴ = 1253353229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253353247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41778427 + ... + 41778456.

It is an arithmetic number, because the mean of its divisors is an integer number (250670652).

Almost surely, 2^1253353245 is an apocalyptic number.

1253353245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1253353245 is a deficient number, since it is larger than the sum of its proper divisors (752011971).

1253353245 is an equidigital number, since it uses as much as digits as its factorization.

1253353245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83556891.

The product of its digits is 54000, while the sum is 33.

The square root of 1253353245 is about 35402.7293439362. The cubic root of 1253353245 is about 1078.1797312774.

Adding to 1253353245 its reverse (5423533521), we get a palindrome (6676886766).

The spelling of 1253353245 in words is "one billion, two hundred fifty-three million, three hundred fifty-three thousand, two hundred forty-five".