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253030301 is a prime number
BaseRepresentation
bin11110001010011…
…10111110011101
3122122010021022122
433011032332131
51004233432201
641035152325
76161502446
oct1705167635
9578107278
10253030301
1111a913457
12708a56a5
1340563a94
14258682cd
1517331e1b
hexf14ef9d

253030301 has 2 divisors, whose sum is σ = 253030302. Its totient is φ = 253030300.

The previous prime is 253030289. The next prime is 253030303. The reversal of 253030301 is 103030352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136282276 + 116748025 = 11674^2 + 10805^2 .

It is a cyclic number.

It is not a de Polignac number, because 253030301 - 222 = 248835997 is a prime.

Together with 253030303, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253030301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253030303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126515150 + 126515151.

It is an arithmetic number, because the mean of its divisors is an integer number (126515151).

Almost surely, 2253030301 is an apocalyptic number.

It is an amenable number.

253030301 is a deficient number, since it is larger than the sum of its proper divisors (1).

253030301 is an equidigital number, since it uses as much as digits as its factorization.

253030301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 253030301 is about 15906.9261958431. The cubic root of 253030301 is about 632.4956029836.

Adding to 253030301 its reverse (103030352), we get a palindrome (356060653).

The spelling of 253030301 in words is "two hundred fifty-three million, thirty thousand, three hundred one".