2601225553 has 2 divisors, whose sum is σ = 2601225554. Its totient is φ = 2601225552.

The previous prime is 2601225527. The next prime is 2601225559. The reversal of 2601225553 is 3555221062.

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., 2467406929 + 133818624 = 49673^2 + 11568^2 .

It is a cyclic number.

It is not a de Polignac number, because 2601225553 - 2⁵ = 2601225521 is a prime.

It is not a weakly prime, because it can be changed into another prime (2601225559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300612776 + 1300612777.

It is an arithmetic number, because the mean of its divisors is an integer number (1300612777).

Almost surely, 2^2601225553 is an apocalyptic number.

It is an amenable number.

2601225553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2601225553 is an equidigital number, since it uses as much as digits as its factorization.

2601225553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 2601225553 is about 51002.2112559838. The cubic root of 2601225553 is about 1375.2848869535.

The spelling of 2601225553 in words is "two billion, six hundred one million, two hundred twenty-five thousand, five hundred fifty-three".