5245161266 has 8 divisors (see below), whose sum is σ = 8330550300. Its totient is φ = 2468311168.

The previous prime is 5245161239. The next prime is 5245161323. The reversal of 5245161266 is 6621615425.

It can be written as a sum of positive squares in 2 ways, for example, as 5073000625 + 172160641 = 71225^2 + 13121^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77134691 + ... + 77134758.

Almost surely, 2^5245161266 is an apocalyptic number.

5245161266 is a deficient number, since it is larger than the sum of its proper divisors (3085389034).

5245161266 is a wasteful number, since it uses less digits than its factorization.

5245161266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154269468.

The product of its digits is 86400, while the sum is 38.

The square root of 5245161266 is about 72423.4855968697. The cubic root of 5245161266 is about 1737.4792037674.

The spelling of 5245161266 in words is "five billion, two hundred forty-five million, one hundred sixty-one thousand, two hundred sixty-six".