2002550257 has 2 divisors, whose sum is σ = 2002550258. Its totient is φ = 2002550256.

The previous prime is 2002550227. The next prime is 2002550267. The reversal of 2002550257 is 7520552002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1964616976 + 37933281 = 44324^2 + 6159^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002550257 - 2¹¹ = 2002548209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002550227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001275128 + 1001275129.

It is an arithmetic number, because the mean of its divisors is an integer number (1001275129).

Almost surely, 2^2002550257 is an apocalyptic number.

It is an amenable number.

2002550257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002550257 is an equidigital number, since it uses as much as digits as its factorization.

2002550257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 2002550257 is about 44749.8632064948. The cubic root of 2002550257 is about 1260.4563428497.

The spelling of 2002550257 in words is "two billion, two million, five hundred fifty thousand, two hundred fifty-seven".