248852431 has 4 divisors (see below), whose sum is σ = 248913832. Its totient is φ = 248791032.

The previous prime is 248852419. The next prime is 248852453. The reversal of 248852431 is 134258842.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134258842 = 2 ⋅67129421.

It is a cyclic number.

It is not a de Polignac number, because 248852431 - 2²³ = 240463823 is a prime.

It is a super-2 number, since 2×248852431² = 123855064829219522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248852731) 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, 24156 + ... + 32881.

It is an arithmetic number, because the mean of its divisors is an integer number (62228458).

Almost surely, 2^248852431 is an apocalyptic number.

248852431 is a deficient number, since it is larger than the sum of its proper divisors (61401).

248852431 is an equidigital number, since it uses as much as digits as its factorization.

248852431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61400.

The product of its digits is 61440, while the sum is 37.

The square root of 248852431 is about 15775.0572423684. The cubic root of 248852431 is about 628.9951487633.

The spelling of 248852431 in words is "two hundred forty-eight million, eight hundred fifty-two thousand, four hundred thirty-one".