5251212205 has 8 divisors (see below), whose sum is σ = 6301845504. Its totient is φ = 4200709200.

The previous prime is 5251212181. The next prime is 5251212247. The reversal of 5251212205 is 5022121525.

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

It is not a de Polignac number, because 5251212205 - 2⁵ = 5251212173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5251212205.

It is a congruent 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, 128640 + ... + 164470.

It is an arithmetic number, because the mean of its divisors is an integer number (787730688).

Almost surely, 2^5251212205 is an apocalyptic number.

It is an amenable number.

5251212205 is a deficient number, since it is larger than the sum of its proper divisors (1050633299).

5251212205 is a wasteful number, since it uses less digits than its factorization.

5251212205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65147.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 5251212205 is about 72465.2482573544. The cubic root of 5251212205 is about 1738.1470790342.

The spelling of 5251212205 in words is "five billion, two hundred fifty-one million, two hundred twelve thousand, two hundred five".