5423000251 has 2 divisors, whose sum is σ = 5423000252. Its totient is φ = 5423000250.

The previous prime is 5423000239. The next prime is 5423000257. The reversal of 5423000251 is 1520003245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5423000251 - 2⁷ = 5423000123 is a prime.

It is not a weakly prime, because it can be changed into another prime (5423000257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2711500125 + 2711500126.

It is an arithmetic number, because the mean of its divisors is an integer number (2711500126).

Almost surely, 2^5423000251 is an apocalyptic number.

5423000251 is a deficient number, since it is larger than the sum of its proper divisors (1).

5423000251 is an equidigital number, since it uses as much as digits as its factorization.

5423000251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 5423000251 is about 73641.0228812718. The cubic root of 5423000251 is about 1756.8979719393.

Adding to 5423000251 its reverse (1520003245), we get a palindrome (6943003496).

The spelling of 5423000251 in words is "five billion, four hundred twenty-three million, two hundred fifty-one", and thus it is an aban number.