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250552481 is a prime number
BaseRepresentation
bin11101110111100…
…10000010100001
3122110110101101112
432323302002201
51003120134411
640510113105
76131442464
oct1673620241
9573411345
10250552481
11119480873
126baab795
133cba700a
14253c12db
1516ee2b8b
hexeef20a1

250552481 has 2 divisors, whose sum is σ = 250552482. Its totient is φ = 250552480.

The previous prime is 250552469. The next prime is 250552483. The reversal of 250552481 is 184255052.

250552481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179318881 + 71233600 = 13391^2 + 8440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-250552481 is a prime.

It is a super-2 number, since 2×2505524812 = 125553091470510722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 250552483, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (250552483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125276240 + 125276241.

It is an arithmetic number, because the mean of its divisors is an integer number (125276241).

Almost surely, 2250552481 is an apocalyptic number.

It is an amenable number.

250552481 is a deficient number, since it is larger than the sum of its proper divisors (1).

250552481 is an equidigital number, since it uses as much as digits as its factorization.

250552481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 250552481 is about 15828.8496423461. The cubic root of 250552481 is about 630.4242384855.

The spelling of 250552481 in words is "two hundred fifty million, five hundred fifty-two thousand, four hundred eighty-one".