5211635243 has 12 divisors (see below), whose sum is σ = 5538650328. Its totient is φ = 4886958720.

The previous prime is 5211635239. The next prime is 5211635287. The reversal of 5211635243 is 3425361125.

It is a happy number.

It is not a de Polignac number, because 5211635243 - 2² = 5211635239 is a prime.

It is a super-2 number, since 2×5211635243² = 54322283812159338098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5211635213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1457648 + ... + 1461218.

It is an arithmetic number, because the mean of its divisors is an integer number (461554194).

Almost surely, 2^5211635243 is an apocalyptic number.

5211635243 is a deficient number, since it is larger than the sum of its proper divisors (327015085).

5211635243 is an equidigital number, since it uses as much as digits as its factorization.

5211635243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4174 (or 3881 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 5211635243 is about 72191.6563253677. The cubic root of 5211635243 is about 1733.7694151022.

Adding to 5211635243 its reverse (3425361125), we get a palindrome (8636996368).

The spelling of 5211635243 in words is "five billion, two hundred eleven million, six hundred thirty-five thousand, two hundred forty-three".