315200503 has 4 divisors (see below), whose sum is σ = 316399248. Its totient is φ = 314001760.

The previous prime is 315200491. The next prime is 315200537. The reversal of 315200503 is 305002513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305002513 = 1987 ⋅153499.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315200503 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 (315203503) 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 in 3 ways as a sum of consecutive naturals, for example, 598978 + ... + 599503.

It is an arithmetic number, because the mean of its divisors is an integer number (79099812).

Almost surely, 2^315200503 is an apocalyptic number.

315200503 is a deficient number, since it is larger than the sum of its proper divisors (1198745).

315200503 is a wasteful number, since it uses less digits than its factorization.

315200503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198744.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 315200503 is about 17753.8869828553. The cubic root of 315200503 is about 680.5535450905.

The spelling of 315200503 in words is "three hundred fifteen million, two hundred thousand, five hundred three".