2252720017 has 2 divisors, whose sum is σ = 2252720018. Its totient is φ = 2252720016.

The previous prime is 2252719967. The next prime is 2252720081. The reversal of 2252720017 is 7100272522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1587544336 + 665175681 = 39844^2 + 25791^2 .

It is a cyclic number.

It is not a de Polignac number, because 2252720017 - 2¹¹ = 2252717969 is a prime.

It is not a weakly prime, because it can be changed into another prime (2252720317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1126360008 + 1126360009.

It is an arithmetic number, because the mean of its divisors is an integer number (1126360009).

Almost surely, 2^2252720017 is an apocalyptic number.

It is an amenable number.

2252720017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2252720017 is an equidigital number, since it uses as much as digits as its factorization.

2252720017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 2252720017 is about 47462.8277391898. The cubic root of 2252720017 is about 1310.8985186266.

Adding to 2252720017 its reverse (7100272522), we get a palindrome (9352992539).

The spelling of 2252720017 in words is "two billion, two hundred fifty-two million, seven hundred twenty thousand, seventeen".