5245652066 has 16 divisors (see below), whose sum is σ = 8147244600. Its totient is φ = 2530069248.

The previous prime is 5245652057. The next prime is 5245652143. The reversal of 5245652066 is 6602565425.

It can be written as a sum of positive squares in 4 ways, for example, as 3443225041 + 1802427025 = 58679^2 + 42455^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23546 + ... + 105098.

Almost surely, 2^5245652066 is an apocalyptic number.

5245652066 is a deficient number, since it is larger than the sum of its proper divisors (2901592534).

5245652066 is a wasteful number, since it uses less digits than its factorization.

5245652066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82693.

The product of its (nonzero) digits is 432000, while the sum is 41.

The square root of 5245652066 is about 72426.8739212179. The cubic root of 5245652066 is about 1737.5333951865.

The spelling of 5245652066 in words is "five billion, two hundred forty-five million, six hundred fifty-two thousand, sixty-six".