2550420017 has 2 divisors, whose sum is σ = 2550420018. Its totient is φ = 2550420016.

The previous prime is 2550420001. The next prime is 2550420031. The reversal of 2550420017 is 7100240552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2512916641 + 37503376 = 50129^2 + 6124^2 .

It is a cyclic number.

It is not a de Polignac number, because 2550420017 - 2⁴ = 2550420001 is a prime.

It is a super-2 number, since 2×2550420017² = 13009284526228560578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2550450017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275210008 + 1275210009.

It is an arithmetic number, because the mean of its divisors is an integer number (1275210009).

Almost surely, 2^2550420017 is an apocalyptic number.

It is an amenable number.

2550420017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2550420017 is an equidigital number, since it uses as much as digits as its factorization.

2550420017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 2550420017 is about 50501.6833085789. The cubic root of 2550420017 is about 1366.2722138708.

Adding to 2550420017 its reverse (7100240552), we get a palindrome (9650660569).

The spelling of 2550420017 in words is "two billion, five hundred fifty million, four hundred twenty thousand, seventeen".