5256187503 has 16 divisors (see below), whose sum is σ = 8022514176. Its totient is φ = 2998628640.

The previous prime is 5256187471. The next prime is 5256187507. The reversal of 5256187503 is 3057816525.

It is not a de Polignac number, because 5256187503 - 2⁵ = 5256187471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256187507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191283 + ... + 217028.

It is an arithmetic number, because the mean of its divisors is an integer number (501407136).

Almost surely, 2^5256187503 is an apocalyptic number.

5256187503 is a deficient number, since it is larger than the sum of its proper divisors (2766326673).

5256187503 is a wasteful number, since it uses less digits than its factorization.

5256187503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408934.

The product of its (nonzero) digits is 252000, while the sum is 42.

The square root of 5256187503 is about 72499.5689849257. The cubic root of 5256187503 is about 1738.6958456583.

The spelling of 5256187503 in words is "five billion, two hundred fifty-six million, one hundred eighty-seven thousand, five hundred three".