2243431253 has 8 divisors (see below), whose sum is σ = 2570798208. Its totient is φ = 1917783504.

The previous prime is 2243431237. The next prime is 2243431259. The reversal of 2243431253 is 3521343422.

It is a happy number.

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

It is not a de Polignac number, because 2243431253 - 2⁴ = 2243431237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243431259) 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, 427001 + ... + 432222.

It is an arithmetic number, because the mean of its divisors is an integer number (321349776).

Almost surely, 2^2243431253 is an apocalyptic number.

It is an amenable number.

2243431253 is a deficient number, since it is larger than the sum of its proper divisors (327366955).

2243431253 is an equidigital number, since it uses as much as digits as its factorization.

2243431253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859603.

The product of its digits is 17280, while the sum is 29.

The square root of 2243431253 is about 47364.8736195928. The cubic root of 2243431253 is about 1309.0942699103.

Adding to 2243431253 its reverse (3521343422), we get a palindrome (5764774675).

The spelling of 2243431253 in words is "two billion, two hundred forty-three million, four hundred thirty-one thousand, two hundred fifty-three".