2451154243 has 2 divisors, whose sum is σ = 2451154244. Its totient is φ = 2451154242.

The previous prime is 2451154171. The next prime is 2451154247. The reversal of 2451154243 is 3424511542.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2451154243 is a prime.

It is not a weakly prime, because it can be changed into another prime (2451154247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1225577121 + 1225577122.

It is an arithmetic number, because the mean of its divisors is an integer number (1225577122).

Almost surely, 2^2451154243 is an apocalyptic number.

2451154243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2451154243 is an equidigital number, since it uses as much as digits as its factorization.

2451154243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 31.

The square root of 2451154243 is about 49509.1329251483. The cubic root of 2451154243 is about 1348.3114220517.

Adding to 2451154243 its reverse (3424511542), we get a palindrome (5875665785).

The spelling of 2451154243 in words is "two billion, four hundred fifty-one million, one hundred fifty-four thousand, two hundred forty-three".