2153331241 has 2 divisors, whose sum is σ = 2153331242. Its totient is φ = 2153331240.

The previous prime is 2153331209. The next prime is 2153331263. The reversal of 2153331241 is 1421333512.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2153331216 + 25 = 46404^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 2153331241 - 2⁵ = 2153331209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2153332241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076665620 + 1076665621.

It is an arithmetic number, because the mean of its divisors is an integer number (1076665621).

Almost surely, 2^2153331241 is an apocalyptic number.

It is an amenable number.

2153331241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153331241 is an equidigital number, since it uses as much as digits as its factorization.

2153331241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 2153331241 is about 46404.0002693733. Note that the first 3 decimals coincide. The cubic root of 2153331241 is about 1291.3291272540.

Subtracting from 2153331241 its sum of digits (25), we obtain a square (2153331216 = 46404²).

Adding to 2153331241 its reverse (1421333512), we get a palindrome (3574664753).

The spelling of 2153331241 in words is "two billion, one hundred fifty-three million, three hundred thirty-one thousand, two hundred forty-one".