2150531503 has 4 divisors (see below), whose sum is σ = 2151005328. Its totient is φ = 2150057680.

The previous prime is 2150531477. The next prime is 2150531527. The reversal of 2150531503 is 3051350512.

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

It is a cyclic number.

It is not a de Polignac number, because 2150531503 - 2¹³ = 2150523311 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 (2150531543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230038 + ... + 239203.

It is an arithmetic number, because the mean of its divisors is an integer number (537751332).

Almost surely, 2^2150531503 is an apocalyptic number.

2150531503 is a deficient number, since it is larger than the sum of its proper divisors (473825).

2150531503 is an equidigital number, since it uses as much as digits as its factorization.

2150531503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473824.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 2150531503 is about 46373.8234675555. The cubic root of 2150531503 is about 1290.7692271349.

The spelling of 2150531503 in words is "two billion, one hundred fifty million, five hundred thirty-one thousand, five hundred three".