5250694609 has 2 divisors, whose sum is σ = 5250694610. Its totient is φ = 5250694608.

The previous prime is 5250694601. The next prime is 5250694619. The reversal of 5250694609 is 9064960525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4555845009 + 694849600 = 67497^2 + 26360^2 .

It is a cyclic number.

It is not a de Polignac number, because 5250694609 - 2³ = 5250694601 is a prime.

It is not a weakly prime, because it can be changed into another prime (5250694601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625347304 + 2625347305.

It is an arithmetic number, because the mean of its divisors is an integer number (2625347305).

Almost surely, 2^5250694609 is an apocalyptic number.

It is an amenable number.

5250694609 is a deficient number, since it is larger than the sum of its proper divisors (1).

5250694609 is an equidigital number, since it uses as much as digits as its factorization.

5250694609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 5250694609 is about 72461.6768298940. The cubic root of 5250694609 is about 1738.0899692025.

The spelling of 5250694609 in words is "five billion, two hundred fifty million, six hundred ninety-four thousand, six hundred nine".