248671573 has 2 divisors, whose sum is σ = 248671574. Its totient is φ = 248671572.

The previous prime is 248671571. The next prime is 248671627. The reversal of 248671573 is 375176842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216884529 + 31787044 = 14727^2 + 5638^2 .

It is a cyclic number.

It is not a de Polignac number, because 248671573 - 2¹ = 248671571 is a prime.

Together with 248671571, 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 (248671571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124335786 + 124335787.

It is an arithmetic number, because the mean of its divisors is an integer number (124335787).

Almost surely, 2^248671573 is an apocalyptic number.

It is an amenable number.

248671573 is a deficient number, since it is larger than the sum of its proper divisors (1).

248671573 is an equidigital number, since it uses as much as digits as its factorization.

248671573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 43.

The square root of 248671573 is about 15769.3237965361. The cubic root of 248671573 is about 628.8427339713.

The spelling of 248671573 in words is "two hundred forty-eight million, six hundred seventy-one thousand, five hundred seventy-three".