2150602261 has 2 divisors, whose sum is σ = 2150602262. Its totient is φ = 2150602260.

The previous prime is 2150602219. The next prime is 2150602291. The reversal of 2150602261 is 1622060512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2094801361 + 55800900 = 45769^2 + 7470^2 .

It is a cyclic number.

It is not a de Polignac number, because 2150602261 - 2⁷ = 2150602133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2150602211) 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 as a sum of consecutive naturals, namely, 1075301130 + 1075301131.

It is an arithmetic number, because the mean of its divisors is an integer number (1075301131).

Almost surely, 2^2150602261 is an apocalyptic number.

It is an amenable number.

2150602261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2150602261 is an equidigital number, since it uses as much as digits as its factorization.

2150602261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2150602261 is about 46374.5863701230. The cubic root of 2150602261 is about 1290.7833835186.

Adding to 2150602261 its reverse (1622060512), we get a palindrome (3772662773).

The spelling of 2150602261 in words is "two billion, one hundred fifty million, six hundred two thousand, two hundred sixty-one".