5206551431 has 2 divisors, whose sum is σ = 5206551432. Its totient is φ = 5206551430.

The previous prime is 5206551421. The next prime is 5206551433. The reversal of 5206551431 is 1341556025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5206551431 - 2⁶ = 5206551367 is a prime.

It is a super-2 number, since 2×5206551431² = 54216355607296295522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 5206551433, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5206551433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2603275715 + 2603275716.

It is an arithmetic number, because the mean of its divisors is an integer number (2603275716).

Almost surely, 2^5206551431 is an apocalyptic number.

5206551431 is a deficient number, since it is larger than the sum of its proper divisors (1).

5206551431 is an equidigital number, since it uses as much as digits as its factorization.

5206551431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 5206551431 is about 72156.4372111040. The cubic root of 5206551431 is about 1733.2054829969.

The spelling of 5206551431 in words is "five billion, two hundred six million, five hundred fifty-one thousand, four hundred thirty-one".