248131555 has 16 divisors (see below), whose sum is σ = 344122560. Its totient is φ = 168233472.

The previous prime is 248131519. The next prime is 248131573. The reversal of 248131555 is 555131842.

It is a cyclic number.

It is not a de Polignac number, because 248131555 - 2¹⁵ = 248098787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 248131555.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 36714 + ... + 42943.

It is an arithmetic number, because the mean of its divisors is an integer number (21507660).

Almost surely, 2^248131555 is an apocalyptic number.

248131555 is a deficient number, since it is larger than the sum of its proper divisors (95991005).

248131555 is an equidigital number, since it uses as much as digits as its factorization.

248131555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79758.

The product of its digits is 24000, while the sum is 34.

The square root of 248131555 is about 15752.1920696772. The cubic root of 248131555 is about 628.3872034028.

The spelling of 248131555 in words is "two hundred forty-eight million, one hundred thirty-one thousand, five hundred fifty-five".