4251520103 has 2 divisors, whose sum is σ = 4251520104. Its totient is φ = 4251520102.

The previous prime is 4251520087. The next prime is 4251520129. The reversal of 4251520103 is 3010251524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4251520103 - 2⁴ = 4251520087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4251520183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2125760051 + 2125760052.

It is an arithmetic number, because the mean of its divisors is an integer number (2125760052).

Almost surely, 2^4251520103 is an apocalyptic number.

4251520103 is a deficient number, since it is larger than the sum of its proper divisors (1).

4251520103 is an equidigital number, since it uses as much as digits as its factorization.

4251520103 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 23.

The square root of 4251520103 is about 65203.6816675255. The cubic root of 4251520103 is about 1619.9989969765.

Adding to 4251520103 its reverse (3010251524), we get a palindrome (7261771627).

The spelling of 4251520103 in words is "four billion, two hundred fifty-one million, five hundred twenty thousand, one hundred three".