5215120903 has 2 divisors, whose sum is σ = 5215120904. Its totient is φ = 5215120902.

The previous prime is 5215120877. The next prime is 5215120913. The reversal of 5215120903 is 3090215125.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5215120903 is a prime.

It is a super-3 number, since 3×5215120903³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5215120913) 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, 2607560451 + 2607560452.

It is an arithmetic number, because the mean of its divisors is an integer number (2607560452).

Almost surely, 2^5215120903 is an apocalyptic number.

5215120903 is a deficient number, since it is larger than the sum of its proper divisors (1).

5215120903 is an equidigital number, since it uses as much as digits as its factorization.

5215120903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 5215120903 is about 72215.7939996508. The cubic root of 5215120903 is about 1734.1558570801.

The spelling of 5215120903 in words is "five billion, two hundred fifteen million, one hundred twenty thousand, nine hundred three".