2150320503 has 4 divisors (see below), whose sum is σ = 2867094008. Its totient is φ = 1433547000.

The previous prime is 2150320493. The next prime is 2150320519. The reversal of 2150320503 is 3050230512.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-2150320503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2150320503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150320553) 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, 358386748 + ... + 358386753.

It is an arithmetic number, because the mean of its divisors is an integer number (716773502).

Almost surely, 2^2150320503 is an apocalyptic number.

2150320503 is a deficient number, since it is larger than the sum of its proper divisors (716773505).

2150320503 is an equidigital number, since it uses as much as digits as its factorization.

2150320503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716773504.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 2150320503 is about 46371.5484214189. The cubic root of 2150320503 is about 1290.7270110263.

The spelling of 2150320503 in words is "two billion, one hundred fifty million, three hundred twenty thousand, five hundred three".