248888539 has 4 divisors (see below), whose sum is σ = 248995624. Its totient is φ = 248781456.

The previous prime is 248888537. The next prime is 248888567. The reversal of 248888539 is 935888842.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 248888539 - 2¹ = 248888537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 248888539.

It is not an unprimeable number, because it can be changed into a prime (248888533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49977 + ... + 54730.

It is an arithmetic number, because the mean of its divisors is an integer number (62248906).

Almost surely, 2^248888539 is an apocalyptic number.

248888539 is a deficient number, since it is larger than the sum of its proper divisors (107085).

248888539 is a wasteful number, since it uses less digits than its factorization.

248888539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107084.

The product of its digits is 4423680, while the sum is 55.

The square root of 248888539 is about 15776.2016658003. The cubic root of 248888539 is about 629.0255692798.

The spelling of 248888539 in words is "two hundred forty-eight million, eight hundred eighty-eight thousand, five hundred thirty-nine".