2264742521 has 2 divisors, whose sum is σ = 2264742522. Its totient is φ = 2264742520.

The previous prime is 2264742439. The next prime is 2264742527. The reversal of 2264742521 is 1252474622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1374555625 + 890186896 = 37075^2 + 29836^2 .

It is a cyclic number.

It is not a de Polignac number, because 2264742521 - 2¹⁸ = 2264480377 is a prime.

It is not a weakly prime, because it can be changed into another prime (2264742527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132371260 + 1132371261.

It is an arithmetic number, because the mean of its divisors is an integer number (1132371261).

Almost surely, 2^2264742521 is an apocalyptic number.

It is an amenable number.

2264742521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2264742521 is an equidigital number, since it uses as much as digits as its factorization.

2264742521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 35.

The square root of 2264742521 is about 47589.3109952224. The cubic root of 2264742521 is about 1313.2264197813.

The spelling of 2264742521 in words is "two billion, two hundred sixty-four million, seven hundred forty-two thousand, five hundred twenty-one".