2551133047 has 2 divisors, whose sum is σ = 2551133048. Its totient is φ = 2551133046.

The previous prime is 2551132993. The next prime is 2551133089. The reversal of 2551133047 is 7403311552.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2551133047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2551133147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275566523 + 1275566524.

It is an arithmetic number, because the mean of its divisors is an integer number (1275566524).

Almost surely, 2^2551133047 is an apocalyptic number.

2551133047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551133047 is an equidigital number, since it uses as much as digits as its factorization.

2551133047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 2551133047 is about 50508.7422828959. The cubic root of 2551133047 is about 1366.3995265354.

Adding to 2551133047 its reverse (7403311552), we get a palindrome (9954444599).

The spelling of 2551133047 in words is "two billion, five hundred fifty-one million, one hundred thirty-three thousand, forty-seven".