5126689 has 2 divisors, whose sum is σ = 5126690. Its totient is φ = 5126688.

The previous prime is 5126669. The next prime is 5126701. The reversal of 5126689 is 9866215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4915089 + 211600 = 2217^2 + 460^2 .

It is a cyclic number.

It is not a de Polignac number, because 5126689 - 2⁵ = 5126657 is a prime.

It is a super-3 number, since 3×5126689³ (a number of 21 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (5126629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2563344 + 2563345.

It is an arithmetic number, because the mean of its divisors is an integer number (2563345).

Almost surely, 2^5126689 is an apocalyptic number.

It is an amenable number.

5126689 is a deficient number, since it is larger than the sum of its proper divisors (1).

5126689 is an equidigital number, since it uses as much as digits as its factorization.

5126689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 37.

The square root of 5126689 is about 2264.2192914998. The cubic root of 5126689 is about 172.4297999029.

The spelling of 5126689 in words is "five million, one hundred twenty-six thousand, six hundred eighty-nine".