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25200313 is a prime number
BaseRepresentation
bin110000000100…
…0011010111001
31202102022022221
41200020122321
522422402223
62300044041
7424125205
oct140103271
952368287
1025200313
1113252406
128533621
1352b4438
1434bdb05
15232bb5d
hex18086b9

25200313 has 2 divisors, whose sum is σ = 25200314. Its totient is φ = 25200312.

The previous prime is 25200311. The next prime is 25200323. The reversal of 25200313 is 31300252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14197824 + 11002489 = 3768^2 + 3317^2 .

It is a cyclic number.

It is not a de Polignac number, because 25200313 - 21 = 25200311 is a prime.

Together with 25200311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25200311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12600156 + 12600157.

It is an arithmetic number, because the mean of its divisors is an integer number (12600157).

Almost surely, 225200313 is an apocalyptic number.

It is an amenable number.

25200313 is a deficient number, since it is larger than the sum of its proper divisors (1).

25200313 is an equidigital number, since it uses as much as digits as its factorization.

25200313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 25200313 is about 5019.9913346539. The cubic root of 25200313 is about 293.1806555956.

Adding to 25200313 its reverse (31300252), we get a palindrome (56500565).

The spelling of 25200313 in words is "twenty-five million, two hundred thousand, three hundred thirteen".