5285825261 has 2 divisors, whose sum is σ = 5285825262. Its totient is φ = 5285825260.

The previous prime is 5285825257. The next prime is 5285825269. The reversal of 5285825261 is 1625285825.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4761690025 + 524135236 = 69005^2 + 22894^2 .

It is a cyclic number.

It is not a de Polignac number, because 5285825261 - 2² = 5285825257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5285825269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2642912630 + 2642912631.

It is an arithmetic number, because the mean of its divisors is an integer number (2642912631).

Almost surely, 2^5285825261 is an apocalyptic number.

It is an amenable number.

5285825261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5285825261 is an equidigital number, since it uses as much as digits as its factorization.

5285825261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384000, while the sum is 44.

The square root of 5285825261 is about 72703.6812066624. The cubic root of 5285825261 is about 1741.9576835027.

The spelling of 5285825261 in words is "five billion, two hundred eighty-five million, eight hundred twenty-five thousand, two hundred sixty-one".