5251123 has 2 divisors, whose sum is σ = 5251124. Its totient is φ = 5251122.

The previous prime is 5251097. The next prime is 5251139. The reversal of 5251123 is 3211525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5251123 - 2¹³ = 5242931 is a prime.

It is a super-2 number, since 2×5251123² = 55148585522258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5251123.

It is not a weakly prime, because it can be changed into another prime (5251193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625561 + 2625562.

It is an arithmetic number, because the mean of its divisors is an integer number (2625562).

Almost surely, 2^5251123 is an apocalyptic number.

5251123 is a deficient number, since it is larger than the sum of its proper divisors (1).

5251123 is an equidigital number, since it uses as much as digits as its factorization.

5251123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 300, while the sum is 19.

The square root of 5251123 is about 2291.5328930653. The cubic root of 5251123 is about 173.8137236717.

Adding to 5251123 its reverse (3211525), we get a palindrome (8462648).

The spelling of 5251123 in words is "five million, two hundred fifty-one thousand, one hundred twenty-three".