248520929 has 2 divisors, whose sum is σ = 248520930. Its totient is φ = 248520928.

The previous prime is 248520919. The next prime is 248520989. The reversal of 248520929 is 929025842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127080529 + 121440400 = 11273^2 + 11020^2 .

It is a cyclic number.

It is not a de Polignac number, because 248520929 - 2¹² = 248516833 is a prime.

It is not a weakly prime, because it can be changed into another prime (248520919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124260464 + 124260465.

It is an arithmetic number, because the mean of its divisors is an integer number (124260465).

Almost surely, 2^248520929 is an apocalyptic number.

It is an amenable number.

248520929 is a deficient number, since it is larger than the sum of its proper divisors (1).

248520929 is an equidigital number, since it uses as much as digits as its factorization.

248520929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 248520929 is about 15764.5465840284. The cubic root of 248520929 is about 628.7157250557.

The spelling of 248520929 in words is "two hundred forty-eight million, five hundred twenty thousand, nine hundred twenty-nine".