5136503 has 4 divisors (see below), whose sum is σ = 5151408. Its totient is φ = 5121600.

The previous prime is 5136493. The next prime is 5136511. The reversal of 5136503 is 3056315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3056315 = 5 ⋅611263.

It is a cyclic number.

It is not a de Polignac number, because 5136503 - 2¹⁴ = 5120119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5136553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6923 + ... + 7628.

It is an arithmetic number, because the mean of its divisors is an integer number (1287852).

Almost surely, 2^5136503 is an apocalyptic number.

5136503 is a deficient number, since it is larger than the sum of its proper divisors (14905).

5136503 is a wasteful number, since it uses less digits than its factorization.

5136503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14904.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 5136503 is about 2266.3854482413. The cubic root of 5136503 is about 172.5397569919.

The spelling of 5136503 in words is "five million, one hundred thirty-six thousand, five hundred three".