248237461 has 2 divisors, whose sum is σ = 248237462. Its totient is φ = 248237460.

The previous prime is 248237443. The next prime is 248237557. The reversal of 248237461 is 164732842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131813361 + 116424100 = 11481^2 + 10790^2 .

It is a cyclic number.

It is not a de Polignac number, because 248237461 - 2⁷ = 248237333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 248237461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248237761) 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, 124118730 + 124118731.

It is an arithmetic number, because the mean of its divisors is an integer number (124118731).

Almost surely, 2^248237461 is an apocalyptic number.

It is an amenable number.

248237461 is a deficient number, since it is larger than the sum of its proper divisors (1).

248237461 is an equidigital number, since it uses as much as digits as its factorization.

248237461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 37.

The square root of 248237461 is about 15755.5533384264. The cubic root of 248237461 is about 628.4765921537.

The spelling of 248237461 in words is "two hundred forty-eight million, two hundred thirty-seven thousand, four hundred sixty-one".