1253304355 has 4 divisors (see below), whose sum is σ = 1503965232. Its totient is φ = 1002643480.

The previous prime is 1253304343. The next prime is 1253304401. The reversal of 1253304355 is 5534033521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5534033521 = 61 ⋅90721861.

It is not a de Polignac number, because 1253304355 - 2¹¹ = 1253302307 is a prime.

It is a Duffinian 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, 125330431 + ... + 125330440.

It is an arithmetic number, because the mean of its divisors is an integer number (375991308).

Almost surely, 2^1253304355 is an apocalyptic number.

1253304355 is a deficient number, since it is larger than the sum of its proper divisors (250660877).

1253304355 is an equidigital number, since it uses as much as digits as its factorization.

1253304355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250660876.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 1253304355 is about 35402.0388537158. The cubic root of 1253304355 is about 1078.1657121138.

Adding to 1253304355 its reverse (5534033521), we get a palindrome (6787337876).

The spelling of 1253304355 in words is "one billion, two hundred fifty-three million, three hundred four thousand, three hundred fifty-five".