5126561 has 12 divisors (see below), whose sum is σ = 5907024. Its totient is φ = 4411800.

The previous prime is 5126557. The next prime is 5126567. The reversal of 5126561 is 1656215.

It is not a de Polignac number, because 5126561 - 2² = 5126557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5126561.

It is not an unprimeable number, because it can be changed into a prime (5126567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3326 + ... + 4616.

It is an arithmetic number, because the mean of its divisors is an integer number (492252).

Almost surely, 2^5126561 is an apocalyptic number.

It is an amenable number.

5126561 is a deficient number, since it is larger than the sum of its proper divisors (780463).

5126561 is a wasteful number, since it uses less digits than its factorization.

5126561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340 (or 1321 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 5126561 is about 2264.1910255100. The cubic root of 5126561 is about 172.4283648507.

The spelling of 5126561 in words is "five million, one hundred twenty-six thousand, five hundred sixty-one".