2451143243 has 2 divisors, whose sum is σ = 2451143244. Its totient is φ = 2451143242.

The previous prime is 2451143237. The next prime is 2451143257. The reversal of 2451143243 is 3423411542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2451143243 - 2⁶ = 2451143179 is a prime.

It is not a weakly prime, because it can be changed into another prime (2451143213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1225571621 + 1225571622.

It is an arithmetic number, because the mean of its divisors is an integer number (1225571622).

Almost surely, 2^2451143243 is an apocalyptic number.

2451143243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2451143243 is an equidigital number, since it uses as much as digits as its factorization.

2451143243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 29.

The square root of 2451143243 is about 49509.0218344091. The cubic root of 2451143243 is about 1348.3094051179.

Adding to 2451143243 its reverse (3423411542), we get a palindrome (5874554785).

The spelling of 2451143243 in words is "two billion, four hundred fifty-one million, one hundred forty-three thousand, two hundred forty-three".