248556725 has 6 divisors (see below), whose sum is σ = 308210370. Its totient is φ = 198845360.

The previous prime is 248556703. The next prime is 248556731. The reversal of 248556725 is 527655842.

It can be written as a sum of positive squares in 3 ways, for example, as 24216241 + 224340484 = 4921^2 + 14978^2 .

It is not a de Polignac number, because 248556725 - 2⁶ = 248556661 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4971110 + ... + 4971159.

It is an arithmetic number, because the mean of its divisors is an integer number (51368395).

Almost surely, 2^248556725 is an apocalyptic number.

248556725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

248556725 is a deficient number, since it is larger than the sum of its proper divisors (59653645).

248556725 is an equidigital number, since it uses as much as digits as its factorization.

248556725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9942279 (or 9942274 counting only the distinct ones).

The product of its digits is 672000, while the sum is 44.

The square root of 248556725 is about 15765.6818755168. The cubic root of 248556725 is about 628.7459095392.

The spelling of 248556725 in words is "two hundred forty-eight million, five hundred fifty-six thousand, seven hundred twenty-five".