5257261 has 2 divisors, whose sum is σ = 5257262. Its totient is φ = 5257260.

The previous prime is 5257253. The next prime is 5257277. The reversal of 5257261 is 1627525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5148361 + 108900 = 2269^2 + 330^2 .

It is a cyclic number.

It is not a de Polignac number, because 5257261 - 2³ = 5257253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5257201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2628630 + 2628631.

It is an arithmetic number, because the mean of its divisors is an integer number (2628631).

Almost surely, 2^5257261 is an apocalyptic number.

It is an amenable number.

5257261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5257261 is an equidigital number, since it uses as much as digits as its factorization.

5257261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 28.

The square root of 5257261 is about 2292.8717801046. The cubic root of 5257261 is about 173.8814205066.

The spelling of 5257261 in words is "five million, two hundred fifty-seven thousand, two hundred sixty-one".