5203021987 has 2 divisors, whose sum is σ = 5203021988. Its totient is φ = 5203021986.

The previous prime is 5203021939. The next prime is 5203022003. The reversal of 5203021987 is 7891203025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5203021987 - 2¹⁵ = 5202989219 is a prime.

It is not a weakly prime, because it can be changed into another prime (5203021487) 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, 2601510993 + 2601510994.

It is an arithmetic number, because the mean of its divisors is an integer number (2601510994).

Almost surely, 2^5203021987 is an apocalyptic number.

5203021987 is a deficient number, since it is larger than the sum of its proper divisors (1).

5203021987 is an equidigital number, since it uses as much as digits as its factorization.

5203021987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 5203021987 is about 72131.9761756185. The cubic root of 5203021987 is about 1732.8137563707.

The spelling of 5203021987 in words is "five billion, two hundred three million, twenty-one thousand, nine hundred eighty-seven".