5211656263 has 16 divisors (see below), whose sum is σ = 5791593600. Its totient is φ = 4649683680.

The previous prime is 5211656231. The next prime is 5211656279. The reversal of 5211656263 is 3626561125.

It is a cyclic number.

It is not a de Polignac number, because 5211656263 - 2⁵ = 5211656231 is a prime.

It is a super-2 number, since 2×5211656263² = 54322722007334250338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5211656363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395245 + ... + 408217.

It is an arithmetic number, because the mean of its divisors is an integer number (361974600).

Almost surely, 2^5211656263 is an apocalyptic number.

5211656263 is a deficient number, since it is larger than the sum of its proper divisors (579937337).

5211656263 is a wasteful number, since it uses less digits than its factorization.

5211656263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13662.

The product of its digits is 64800, while the sum is 37.

The square root of 5211656263 is about 72191.8019099122. The cubic root of 5211656263 is about 1733.7717460267.

The spelling of 5211656263 in words is "five billion, two hundred eleven million, six hundred fifty-six thousand, two hundred sixty-three".