2551455043 has 2 divisors, whose sum is σ = 2551455044. Its totient is φ = 2551455042.

The previous prime is 2551455041. The next prime is 2551455091. The reversal of 2551455043 is 3405541552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2551455043 - 2¹ = 2551455041 is a prime.

Together with 2551455041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2551455041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275727521 + 1275727522.

It is an arithmetic number, because the mean of its divisors is an integer number (1275727522).

Almost surely, 2^2551455043 is an apocalyptic number.

2551455043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551455043 is an equidigital number, since it uses as much as digits as its factorization.

2551455043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 2551455043 is about 50511.9297097230. The cubic root of 2551455043 is about 1366.4570116690.

Adding to 2551455043 its reverse (3405541552), we get a palindrome (5956996595).

The spelling of 2551455043 in words is "two billion, five hundred fifty-one million, four hundred fifty-five thousand, forty-three".