2251143353 has 4 divisors (see below), whose sum is σ = 2303495568. Its totient is φ = 2198791140.

The previous prime is 2251143287. The next prime is 2251143409. The reversal of 2251143353 is 3533411522.

It is a happy number.

2251143353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 3533411522 = 2 ⋅1766705761.

It is a cyclic number.

It is not a de Polignac number, because 2251143353 - 2²⁸ = 1982707897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2251143953) 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, 26176043 + ... + 26176128.

It is an arithmetic number, because the mean of its divisors is an integer number (575873892).

Almost surely, 2^2251143353 is an apocalyptic number.

It is an amenable number.

2251143353 is a deficient number, since it is larger than the sum of its proper divisors (52352215).

2251143353 is an equidigital number, since it uses as much as digits as its factorization.

2251143353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52352214.

The product of its digits is 10800, while the sum is 29.

The square root of 2251143353 is about 47446.2153706700. The cubic root of 2251143353 is about 1310.5926174841.

Adding to 2251143353 its reverse (3533411522), we get a palindrome (5784554875).

The spelling of 2251143353 in words is "two billion, two hundred fifty-one million, one hundred forty-three thousand, three hundred fifty-three".