2150155213 has 4 divisors (see below), whose sum is σ = 2179609468. Its totient is φ = 2120700960.

The previous prime is 2150155177. The next prime is 2150155229. The reversal of 2150155213 is 3125510512.

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 754161444 + 1395993769 = 27462^2 + 37363^2 .

It is a cyclic number.

It is not a de Polignac number, because 2150155213 - 2¹⁷ = 2150024141 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 (2150155243) 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, 14727018 + ... + 14727163.

It is an arithmetic number, because the mean of its divisors is an integer number (544902367).

Almost surely, 2^2150155213 is an apocalyptic number.

It is an amenable number.

2150155213 is a deficient number, since it is larger than the sum of its proper divisors (29454255).

2150155213 is an equidigital number, since it uses as much as digits as its factorization.

2150155213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29454254.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 2150155213 is about 46369.7661520953. The cubic root of 2150155213 is about 1290.6939384782.

Adding to 2150155213 its reverse (3125510512), we get a palindrome (5275665725).

The spelling of 2150155213 in words is "two billion, one hundred fifty million, one hundred fifty-five thousand, two hundred thirteen".