5212451331 has 28 divisors (see below), whose sum is σ = 8026362432. Its totient is φ = 3381032016.

The previous prime is 5212451273. The next prime is 5212451381. The reversal of 5212451331 is 1331542125.

5212451331 is a `hidden beast` number, since 521 + 2 + 4 + 5 + 133 + 1 = 666.

It is not a de Polignac number, because 5212451331 - 2⁹ = 5212450819 is a prime.

It is a super-2 number, since 2×5212451331² = 54339297756087343122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 5212451295 and 5212451304.

It is not an unprimeable number, because it can be changed into a prime (5212451381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 69651 + ... + 123596.

Almost surely, 2^5212451331 is an apocalyptic number.

5212451331 is a deficient number, since it is larger than the sum of its proper divisors (2813911101).

5212451331 is an equidigital number, since it uses as much as digits as its factorization.

5212451331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193302 (or 193287 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 5212451331 is about 72197.3083362531. The cubic root of 5212451331 is about 1733.8599071456.

Adding to 5212451331 its reverse (1331542125), we get a palindrome (6543993456).

The spelling of 5212451331 in words is "five billion, two hundred twelve million, four hundred fifty-one thousand, three hundred thirty-one".