1330251253 has 4 divisors (see below), whose sum is σ = 1388088288. Its totient is φ = 1272414220.

The previous prime is 1330251233. The next prime is 1330251281. The reversal of 1330251253 is 3521520331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3521520331 = 7 ⋅503074333.

It is a cyclic number.

It is not a de Polignac number, because 1330251253 - 2⁹ = 1330250741 is a prime.

It is a super-2 number, since 2×1330251253² = 3539136792216140018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330251233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28918483 + ... + 28918528.

It is an arithmetic number, because the mean of its divisors is an integer number (347022072).

Almost surely, 2^1330251253 is an apocalyptic number.

It is an amenable number.

1330251253 is a deficient number, since it is larger than the sum of its proper divisors (57837035).

1330251253 is an equidigital number, since it uses as much as digits as its factorization.

1330251253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57837034.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1330251253 is about 36472.6096269516. The cubic root of 1330251253 is about 1099.7936949187.

Adding to 1330251253 its reverse (3521520331), we get a palindrome (4851771584).

The spelling of 1330251253 in words is "one billion, three hundred thirty million, two hundred fifty-one thousand, two hundred fifty-three".