5126641 has 4 divisors (see below), whose sum is σ = 5521012. Its totient is φ = 4732272.

The previous prime is 5126629. The next prime is 5126647. The reversal of 5126641 is 1466215.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 461041 + 4665600 = 679^2 + 2160^2 .

It is a cyclic number.

It is not a de Polignac number, because 5126641 - 2¹¹ = 5124593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5126647) 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 in 3 ways as a sum of consecutive naturals, for example, 197166 + ... + 197191.

It is an arithmetic number, because the mean of its divisors is an integer number (1380253).

Almost surely, 2^5126641 is an apocalyptic number.

It is an amenable number.

5126641 is a deficient number, since it is larger than the sum of its proper divisors (394371).

5126641 is a wasteful number, since it uses less digits than its factorization.

5126641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394370.

The product of its digits is 1440, while the sum is 25.

The square root of 5126641 is about 2264.2086917950. The cubic root of 5126641 is about 172.4292617611.

It can be divided in two parts, 5126 and 641, that multiplied together give a triangular number (3285766 = T₂₅₆₃).

The spelling of 5126641 in words is "five million, one hundred twenty-six thousand, six hundred forty-one".