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250530001 is a prime number
BaseRepresentation
bin11101110111011…
…00100011010001
3122110102020112221
432323230203101
51003113430001
640505421041
76131320111
oct1673544321
9573366487
10250530001
11119465997
126ba9a781
133cb99a07
14253b7041
1516edb1a1
hexeeec8d1

250530001 has 2 divisors, whose sum is σ = 250530002. Its totient is φ = 250530000.

The previous prime is 250529977. The next prime is 250530013. The reversal of 250530001 is 100035052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249608401 + 921600 = 15799^2 + 960^2 .

It is a cyclic number.

It is not a de Polignac number, because 250530001 - 219 = 250005713 is a prime.

It is not a weakly prime, because it can be changed into another prime (250530031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125265000 + 125265001.

It is an arithmetic number, because the mean of its divisors is an integer number (125265001).

Almost surely, 2250530001 is an apocalyptic number.

It is an amenable number.

250530001 is a deficient number, since it is larger than the sum of its proper divisors (1).

250530001 is an equidigital number, since it uses as much as digits as its factorization.

250530001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 250530001 is about 15828.1395305955. The cubic root of 250530001 is about 630.4053836722.

Adding to 250530001 its reverse (100035052), we get a palindrome (350565053).

The spelling of 250530001 in words is "two hundred fifty million, five hundred thirty thousand, one".