2155250341 has 4 divisors (see below), whose sum is σ = 2157362284. Its totient is φ = 2153138400.

The previous prime is 2155250311. The next prime is 2155250347. The reversal of 2155250341 is 1430525512.

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 779582241 + 1375668100 = 27921^2 + 37090^2 .

It is a cyclic number.

It is not a de Polignac number, because 2155250341 - 2¹⁵ = 2155217573 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 (2155250347) 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, 1054440 + ... + 1056481.

It is an arithmetic number, because the mean of its divisors is an integer number (539340571).

Almost surely, 2^2155250341 is an apocalyptic number.

It is an amenable number.

2155250341 is a deficient number, since it is larger than the sum of its proper divisors (2111943).

2155250341 is a wasteful number, since it uses less digits than its factorization.

2155250341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111942.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2155250341 is about 46424.6738383804. The cubic root of 2155250341 is about 1291.7126344200.

Adding to 2155250341 its reverse (1430525512), we get a palindrome (3585775853).

The spelling of 2155250341 in words is "two billion, one hundred fifty-five million, two hundred fifty thousand, three hundred forty-one".