5231242451 has 2 divisors, whose sum is σ = 5231242452. Its totient is φ = 5231242450.

The previous prime is 5231242433. The next prime is 5231242501. The reversal of 5231242451 is 1542421325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5231242451 - 2¹⁰ = 5231241427 is a prime.

It is a super-2 number, since 2×5231242451² = 54731795162288974802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5231245451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2615621225 + 2615621226.

It is an arithmetic number, because the mean of its divisors is an integer number (2615621226).

Almost surely, 2^5231242451 is an apocalyptic number.

5231242451 is a deficient number, since it is larger than the sum of its proper divisors (1).

5231242451 is an equidigital number, since it uses as much as digits as its factorization.

5231242451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 29.

The square root of 5231242451 is about 72327.3285211060. The cubic root of 5231242451 is about 1735.9409558721.

Adding to 5231242451 its reverse (1542421325), we get a palindrome (6773663776).

The spelling of 5231242451 in words is "five billion, two hundred thirty-one million, two hundred forty-two thousand, four hundred fifty-one".