2526984221 has 2 divisors, whose sum is σ = 2526984222. Its totient is φ = 2526984220.

The previous prime is 2526984199. The next prime is 2526984241. The reversal of 2526984221 is 1224896252.

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., 2266807321 + 260176900 = 47611^2 + 16130^2 .

It is a cyclic number.

It is not a de Polignac number, because 2526984221 - 2¹⁴ = 2526967837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2526984241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1263492110 + 1263492111.

It is an arithmetic number, because the mean of its divisors is an integer number (1263492111).

Almost surely, 2^2526984221 is an apocalyptic number.

It is an amenable number.

2526984221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2526984221 is an equidigital number, since it uses as much as digits as its factorization.

2526984221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 41.

The square root of 2526984221 is about 50269.1179652080. The cubic root of 2526984221 is about 1362.0744403471.

The spelling of 2526984221 in words is "two billion, five hundred twenty-six million, nine hundred eighty-four thousand, two hundred twenty-one".