5265251805 has 16 divisors (see below), whose sum is σ = 9190257984. Its totient is φ = 2552849280.

The previous prime is 5265251779. The next prime is 5265251813. The reversal of 5265251805 is 5081525625.

It is not a de Polignac number, because 5265251805 - 2⁸ = 5265251549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15955144 + ... + 15955473.

It is an arithmetic number, because the mean of its divisors is an integer number (574391124).

Almost surely, 2^5265251805 is an apocalyptic number.

5265251805 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5265251805 is a deficient number, since it is larger than the sum of its proper divisors (3925006179).

5265251805 is a wasteful number, since it uses less digits than its factorization.

5265251805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31910636.

The product of its (nonzero) digits is 120000, while the sum is 39.

The square root of 5265251805 is about 72562.0548565157. The cubic root of 5265251805 is about 1739.6947327461.

The spelling of 5265251805 in words is "five billion, two hundred sixty-five million, two hundred fifty-one thousand, eight hundred five".