248449501 has 2 divisors, whose sum is σ = 248449502. Its totient is φ = 248449500.

The previous prime is 248449499. The next prime is 248449507. The reversal of 248449501 is 105944842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192932100 + 55517401 = 13890^2 + 7451^2 .

It is a cyclic number.

It is not a de Polignac number, because 248449501 - 2¹ = 248449499 is a prime.

Together with 248449499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248449507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124224750 + 124224751.

It is an arithmetic number, because the mean of its divisors is an integer number (124224751).

Almost surely, 2^248449501 is an apocalyptic number.

It is an amenable number.

248449501 is a deficient number, since it is larger than the sum of its proper divisors (1).

248449501 is an equidigital number, since it uses as much as digits as its factorization.

248449501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 248449501 is about 15762.2809580340. The cubic root of 248449501 is about 628.6554857162.

The spelling of 248449501 in words is "two hundred forty-eight million, four hundred forty-nine thousand, five hundred one".