5266250761 has 2 divisors, whose sum is σ = 5266250762. Its totient is φ = 5266250760.

The previous prime is 5266250753. The next prime is 5266250789. The reversal of 5266250761 is 1670526625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5265679225 + 571536 = 72565^2 + 756^2 .

It is a cyclic number.

It is not a de Polignac number, because 5266250761 - 2³ = 5266250753 is a prime.

It is not a weakly prime, because it can be changed into another prime (5266251761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2633125380 + 2633125381.

It is an arithmetic number, because the mean of its divisors is an integer number (2633125381).

Almost surely, 2^5266250761 is an apocalyptic number.

It is an amenable number.

5266250761 is a deficient number, since it is larger than the sum of its proper divisors (1).

5266250761 is an equidigital number, since it uses as much as digits as its factorization.

5266250761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 5266250761 is about 72568.9379900244. The cubic root of 5266250761 is about 1739.8047476552.

The spelling of 5266250761 in words is "five billion, two hundred sixty-six million, two hundred fifty thousand, seven hundred sixty-one".