5267961509 has 2 divisors, whose sum is σ = 5267961510. Its totient is φ = 5267961508.

The previous prime is 5267961493. The next prime is 5267961521. The reversal of 5267961509 is 9051697625.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4428237025 + 839724484 = 66545^2 + 28978^2 .

It is a cyclic number.

It is not a de Polignac number, because 5267961509 - 2⁴ = 5267961493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5267963509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2633980754 + 2633980755.

It is an arithmetic number, because the mean of its divisors is an integer number (2633980755).

Almost surely, 2^5267961509 is an apocalyptic number.

It is an amenable number.

5267961509 is a deficient number, since it is larger than the sum of its proper divisors (1).

5267961509 is an equidigital number, since it uses as much as digits as its factorization.

5267961509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1020600, while the sum is 50.

The square root of 5267961509 is about 72580.7240870467. The cubic root of 5267961509 is about 1739.9931198257.

The spelling of 5267961509 in words is "five billion, two hundred sixty-seven million, nine hundred sixty-one thousand, five hundred nine".