1253332453 has 8 divisors (see below), whose sum is σ = 1273136256. Its totient is φ = 1233640800.

The previous prime is 1253332439. The next prime is 1253332471. The reversal of 1253332453 is 3542333521.

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

It is a cyclic number.

It is not a de Polignac number, because 1253332453 - 2²⁹ = 716461541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253332433) 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, 5368 + ... + 50353.

It is an arithmetic number, because the mean of its divisors is an integer number (159142032).

Almost surely, 2^1253332453 is an apocalyptic number.

It is an amenable number.

1253332453 is a deficient number, since it is larger than the sum of its proper divisors (19803803).

1253332453 is an equidigital number, since it uses as much as digits as its factorization.

1253332453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56075.

The product of its digits is 32400, while the sum is 31.

The square root of 1253332453 is about 35402.4356930424. The cubic root of 1253332453 is about 1078.1737692346.

Adding to 1253332453 its reverse (3542333521), we get a palindrome (4795665974).

The spelling of 1253332453 in words is "one billion, two hundred fifty-three million, three hundred thirty-two thousand, four hundred fifty-three".