5266261 has 16 divisors (see below), whose sum is σ = 7072128. Its totient is φ = 3787200.

The previous prime is 5266237. The next prime is 5266271. The reversal of 5266261 is 1626625.

5266261 = 103² + 104² + ... + 256².

It is a cyclic number.

It is not a de Polignac number, because 5266261 - 2¹¹ = 5264213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5266201) 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, 1630 + ... + 3631.

It is an arithmetic number, because the mean of its divisors is an integer number (442008).

Almost surely, 2^5266261 is an apocalyptic number.

It is an amenable number.

5266261 is a deficient number, since it is larger than the sum of its proper divisors (1805867).

5266261 is a wasteful number, since it uses less digits than its factorization.

5266261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5292.

The product of its digits is 4320, while the sum is 28.

The square root of 5266261 is about 2294.8335451618. The cubic root of 5266261 is about 173.9805875203.

The spelling of 5266261 in words is "five million, two hundred sixty-six thousand, two hundred sixty-one".