2150327521 has 4 divisors (see below), whose sum is σ = 2150703252. Its totient is φ = 2149951792.

The previous prime is 2150327507. The next prime is 2150327549. The reversal of 2150327521 is 1257230512.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1219406400 + 930921121 = 34920^2 + 30511^2 .

It is a cyclic number.

It is not a de Polignac number, because 2150327521 - 2¹³ = 2150319329 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 2150327521.

It is not an unprimeable number, because it can be changed into a prime (2150327581) 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, 179146 + ... + 190771.

It is an arithmetic number, because the mean of its divisors is an integer number (537675813).

Almost surely, 2^2150327521 is an apocalyptic number.

It is an amenable number.

2150327521 is a deficient number, since it is larger than the sum of its proper divisors (375731).

2150327521 is an equidigital number, since it uses as much as digits as its factorization.

2150327521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375730.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 2150327521 is about 46371.6240927574. The cubic root of 2150327521 is about 1290.7284152065.

The spelling of 2150327521 in words is "two billion, one hundred fifty million, three hundred twenty-seven thousand, five hundred twenty-one".