5211145213 has 4 divisors (see below), whose sum is σ = 5437716768. Its totient is φ = 4984573660.

The previous prime is 5211145211. The next prime is 5211145217. The reversal of 5211145213 is 3125411125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5211145213 - 2¹ = 5211145211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5211145211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113285743 + ... + 113285788.

It is an arithmetic number, because the mean of its divisors is an integer number (1359429192).

Almost surely, 2^5211145213 is an apocalyptic number.

It is an amenable number.

5211145213 is a deficient number, since it is larger than the sum of its proper divisors (226571555).

5211145213 is a wasteful number, since it uses less digits than its factorization.

5211145213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226571554.

The product of its digits is 1200, while the sum is 25.

The square root of 5211145213 is about 72188.2622938106. The cubic root of 5211145213 is about 1733.7150735110.

Adding to 5211145213 its reverse (3125411125), we get a palindrome (8336556338).

The spelling of 5211145213 in words is "five billion, two hundred eleven million, one hundred forty-five thousand, two hundred thirteen".