5261789 has 16 divisors (see below), whose sum is σ = 6214320. Its totient is φ = 4408320.

The previous prime is 5261783. The next prime is 5261801. The reversal of 5261789 is 9871625.

It can be written as a sum of positive squares in 8 ways, for example, as 122500 + 5139289 = 350^2 + 2267^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5261789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5261783) 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 15 ways as a sum of consecutive naturals, for example, 5999 + ... + 6819.

It is an arithmetic number, because the mean of its divisors is an integer number (388395).

Almost surely, 2^5261789 is an apocalyptic number.

It is an amenable number.

5261789 is a deficient number, since it is larger than the sum of its proper divisors (952531).

5261789 is a wasteful number, since it uses less digits than its factorization.

5261789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880.

The product of its digits is 30240, while the sum is 38.

The square root of 5261789 is about 2293.8589756129. The cubic root of 5261789 is about 173.9313266675.

The spelling of 5261789 in words is "five million, two hundred sixty-one thousand, seven hundred eighty-nine".