5126551 has 2 divisors, whose sum is σ = 5126552. Its totient is φ = 5126550.

The previous prime is 5126549. The next prime is 5126557. The reversal of 5126551 is 1556215.

5126551 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5126551 - 2¹ = 5126549 is a prime.

Together with 5126549, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5126557) 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, 2563275 + 2563276.

It is an arithmetic number, because the mean of its divisors is an integer number (2563276).

Almost surely, 2^5126551 is an apocalyptic number.

5126551 is a deficient number, since it is larger than the sum of its proper divisors (1).

5126551 is an equidigital number, since it uses as much as digits as its factorization.

5126551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1500, while the sum is 25.

The square root of 5126551 is about 2264.1888172147. The cubic root of 5126551 is about 172.4282527363.

It can be divided in two parts, 512655 and 1, that added together give a square (512656 = 716²).

The spelling of 5126551 in words is "five million, one hundred twenty-six thousand, five hundred fifty-one".