248670853 has 4 divisors (see below), whose sum is σ = 257245740. Its totient is φ = 240095968.

The previous prime is 248670847. The next prime is 248670869. The reversal of 248670853 is 358076842.

248670853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 358076842 = 2 ⋅179038421.

It can be written as a sum of positive squares in 2 ways, for example, as 68923204 + 179747649 = 8302^2 + 13407^2 .

It is a cyclic number.

It is not a de Polignac number, because 248670853 - 2⁹ = 248670341 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 (248670833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4287400 + ... + 4287457.

It is an arithmetic number, because the mean of its divisors is an integer number (64311435).

Almost surely, 2^248670853 is an apocalyptic number.

It is an amenable number.

248670853 is a deficient number, since it is larger than the sum of its proper divisors (8574887).

248670853 is an equidigital number, since it uses as much as digits as its factorization.

248670853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8574886.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 248670853 is about 15769.3009673860. The cubic root of 248670853 is about 628.8421270568.

The spelling of 248670853 in words is "two hundred forty-eight million, six hundred seventy thousand, eight hundred fifty-three".