248428853 has 4 divisors (see below), whose sum is σ = 248732268. Its totient is φ = 248125440.

The previous prime is 248428849. The next prime is 248428867. The reversal of 248428853 is 358824842.

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

It can be written as a sum of positive squares in 2 ways, for example, as 152349649 + 96079204 = 12343^2 + 9802^2 .

It is a cyclic number.

It is not a de Polignac number, because 248428853 - 2² = 248428849 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248428883) 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 in 3 ways as a sum of consecutive naturals, for example, 150476 + ... + 152117.

It is an arithmetic number, because the mean of its divisors is an integer number (62183067).

Almost surely, 2^248428853 is an apocalyptic number.

It is an amenable number.

248428853 is a deficient number, since it is larger than the sum of its proper divisors (303415).

248428853 is an equidigital number, since it uses as much as digits as its factorization.

248428853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303414.

The product of its digits is 491520, while the sum is 44.

The square root of 248428853 is about 15761.6259630788. The cubic root of 248428853 is about 628.6380699194.

The spelling of 248428853 in words is "two hundred forty-eight million, four hundred twenty-eight thousand, eight hundred fifty-three".