250530017 has 2 divisors, whose sum is σ = 250530018. Its totient is φ = 250530016.

The previous prime is 250530013. The next prime is 250530031. The reversal of 250530017 is 710035052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192404641 + 58125376 = 13871^2 + 7624^2 .

It is a cyclic number.

It is not a de Polignac number, because 250530017 - 2² = 250530013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 250529974 and 250530001.

It is not a weakly prime, because it can be changed into another prime (250530013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125265008 + 125265009.

It is an arithmetic number, because the mean of its divisors is an integer number (125265009).

Almost surely, 2^250530017 is an apocalyptic number.

It is an amenable number.

250530017 is a deficient number, since it is larger than the sum of its proper divisors (1).

250530017 is an equidigital number, since it uses as much as digits as its factorization.

250530017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 250530017 is about 15828.1400360244. The cubic root of 250530017 is about 630.4053970924.

Adding to 250530017 its reverse (710035052), we get a palindrome (960565069).

The spelling of 250530017 in words is "two hundred fifty million, five hundred thirty thousand, seventeen".