2208525961 has 2 divisors, whose sum is σ = 2208525962. Its totient is φ = 2208525960.

The previous prime is 2208525919. The next prime is 2208525983. The reversal of 2208525961 is 1695258022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1226330361 + 982195600 = 35019^2 + 31340^2 .

It is a cyclic number.

It is not a de Polignac number, because 2208525961 - 2¹³ = 2208517769 is a prime.

It is not a weakly prime, because it can be changed into another prime (2208525061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1104262980 + 1104262981.

It is an arithmetic number, because the mean of its divisors is an integer number (1104262981).

Almost surely, 2^2208525961 is an apocalyptic number.

It is an amenable number.

2208525961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2208525961 is an equidigital number, since it uses as much as digits as its factorization.

2208525961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 2208525961 is about 46994.9567613377. The cubic root of 2208525961 is about 1302.2694011055.

The spelling of 2208525961 in words is "two billion, two hundred eight million, five hundred twenty-five thousand, nine hundred sixty-one".