5215129903 has 2 divisors, whose sum is σ = 5215129904. Its totient is φ = 5215129902.

The previous prime is 5215129847. The next prime is 5215129919. The reversal of 5215129903 is 3099215125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5215129903 - 2¹³ = 5215121711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5215120903) 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 as a sum of consecutive naturals, namely, 2607564951 + 2607564952.

It is an arithmetic number, because the mean of its divisors is an integer number (2607564952).

Almost surely, 2^5215129903 is an apocalyptic number.

5215129903 is a deficient number, since it is larger than the sum of its proper divisors (1).

5215129903 is an equidigital number, since it uses as much as digits as its factorization.

5215129903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 5215129903 is about 72215.8563128625. The cubic root of 5215129903 is about 1734.1568546532.

The spelling of 5215129903 in words is "five billion, two hundred fifteen million, one hundred twenty-nine thousand, nine hundred three".